Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(Ningbo), one Thread rolling machine factory(Ningbo), one Heat treatment furnace factory(Suqian) and one Electro plating equipment factory(Wuxi). We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world, With our reputation increasing and our team becoming more professional, wehave experienced a significant growth in business during the recent years.Nowadays, more and more reputed companies compete in a long-termcooperation with us.We abide by the principles of honesty, credibility, and mutual-benefit. Our motto is “ONCE BUSINESS, FOREVER FRIENDS”, we will do our best to serve clients at home and abroad. Due to our top-notch professional knowledge and rich trad experience, we have seen our market developing ability and actual businessgrowth with an increasingly faster pace. We sincerely look forward to workingwith you. Let's build a great future together! https://www.fastenersmachine.com/
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RNF Series 6 Station Nut Former
RNF Series 6 Station Nut Former
Nut making machine is a special cold forging equipment for producing hex nuts. It adopts the cold forging method to feed the material through the roller wheel, and then the feeding, cutting, pressing ball, pressing angle, punching and other processes are completed in one machine. This cold forging nut former machine automatically upsets all kinds of hex nuts and non-standard parts. Trust Rainbow for superior nut forming equipment.
Specifications of RNF Series 6 Station Nut Former Machine
MODEL
FORGING STATION
MAX.FORGING DIA.( mm)
CUT-OFF DIA.( mm)
PRODUCT SIZE
FORGING LENGTH (mm)
DIE PITCH (mm)
SLIDER STROKE (mm)
OUTPUT( per.min.)
MAIN MOTOR(HP )
WEIGHT（T）
DIMENSION(cm)
RNF08B-6S-12
6
8
8
M4-M5
12
38
40
175/350
l0
3.5
195X135X130
RNF11B-6S-14
6
11
10
M5-M6
14
50
60
120/240
15
4.3
230X155X135
RNF11B-6SL-20
6
11
10
M5-M6
20
50
65
110/200
20
4.5
230X155X135
RNF11B-6SL-35
6
11
10
M5-M6
35
50
125
110
20
4.5
230X155X135
RNF14B-6S-18
6
15
14
M6-M8
18
60
70
75/160
20
8
300X195X175
RNF14B-6SL-30
6
15
14
M6-M8
30
60
100
85/160
30
8
300X198X175
RNF14B-6SL-50
6
15
14
M6-M8
50
60
160
85
30
8.5
300X198X175
RNF17B-6S-20
6
17
17
M8-M10
20
70
80
65/130
20
10
350X220X185
RNF17B-6SL-50
6
17
17
M8-M10
50
70
160
80
40
10.5
360X220X185
RNF17B-6SL-70
6
17
17
M8-M10
70
70
220
80
50
10.5
360X220X185
RNF19B-6S-25
6
20
19
M10-M12
25
80
95
95
40
10.5
360X220X185
RNF19B-6SL-50
6
20
19
M10-M12
50
80
160
75
50
16
380X245X196
RNF19B-6SL-70
6
20
19
M10-M12
70
80
220
65
60
16
380X235X196
RNF22B-6S-30
6
22
22
M12-M14
30
80
160
80
60
18
380X235X196
RNF22B-6SL-60
6
22
22
M12-M14
60
80
220
75
60
18
380X235X196
RNF24B-6S-35
6
24
24
M14-M16
35
100
160
75
75
27.5
550X248X270
RNF24B-6SL-70
6
24
24
M14M16
70
100
210
65
75
27.5
550X248X270
RNF27B-6S-40
6
27
29
M16-M18
35
100
160
75
100
30
550X248X270
RNF27B-6SL-70
6
27
29
M16-M18
70
100
210
65
150
30
550X248X270
RNF30B-6S 40
6
30
28
M16-M20
40
120
150
60-90
100
40
550X280X200
RNF30B-6SL-80
6
32
28
M16-M20
80
120
200
50-65
125
45
650X280X200
RNF33B-6S-40
6
33
30
M18-M22
40
140
150
60-80
125
55
600X300X200
RNF33B-6SL-80
6
33
30
M18-M20
80
140
280
60
200
50
650X300X280
RNF36B-6S-45
6
35
32
M18-M24
45
150
160
60-80
125
60
650X300X200
RNF36B-6SL-100
6
35
32
M18-M24
100
150
260
50-60
150
70
750X300X200
RNF41B-6S-50
6
40
40
M20-M27
50
165
200
55-70
150
68
700X350X240
RNF41B-6SL-100
6
40
40
M20-M27
100
165
260
50-60
200
80
750X350X280
RNF45B-6S-55
6
45
42
M20-M30
50
180
210
50-60
180
85
750X300X280
RNF45B-6SL-100
6
45
42
M20-M30
100
180
260
50-60
270
100
800X350X300
All specifications are subject to changes without prior notice
Advantages of the RNF Series 6 Station Nut Former Machine
1. High productivity: Like the automatic nut bolt manufacturing machine, this cold forging machine equipped with six stations that can efficiently produce a large volume of nuts in a short amount of time, increasing overall productivity.
2. Precision and accuracy: The RNF Series nut former machine ensures precise and consistent nut forming, resulting in high-quality nuts with tight tolerances and excellent dimensional accuracy.
3. Versatility: This cold forging nut former machine is designed to handle various nut types and sizes, providing flexibility to meet diverse customer requirements.
4. Advanced technology: Equipped with state-of-the-art features, the RNF Series cold forging nut former machine incorporates advanced controls and automation, reducing the chances of errors and enhancing operational efficiency.
5. Cost-effectiveness: By streamlining the nut forming process and minimizing material waste, the RNF Series nut former machine helps to reduce production costs and increase profitability.
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QLBF Series 3 Station Bolt Former
QLBF Series 3 Station Bolt Former
The QLBF Series 3 Station Bolt Former is a cutting-edge equipment designed for the efficient and precise production of bolts. Equipped with three stations, it enables essential operations like heading, thread rolling, and trimming in a single machine. As one of the professional cold forming machine manufacturers, Rainbow offers fully automatic nut bolt making machine that has high productivity, exceptional precision, and flexibility for manufacturers in need of medium to large scale bolt production. The QLBF Series 3 Station Bolt Former is an ideal choice for achieving optimal efficiency and superior quality in bolt manufacturing processes.
Specifications of QLBF Series 3 Station Bolt Former
Main Technical Data of RBF Series 3-station High Speed and Fully Automatic Cold Heading and Forming Machine
Model
Unit
RBF-63S
RBF 83S
RBF 83L
RBF-103S
RBF-103L
RBF-133S
RBF-133L
Forging station
No.
3
3
3
3
3
3
3
Forging force
Kgs
38,000
65,000
65,000
85,000
85,000
120,000
120,000
Max cut-off dia.
mm
Ф8
Ф10
Ф10
Ф12
Ф12
Ф15
Ф15
Max cut-off length
mm
80
75
135
100
190
140
250
Speed Range
pcs/min
160-260
140-240
110-180
120-200
85-140
100-160
60-100
P.K.O Stroke
mm
12
12
16
15
15
26
25
K.O Stroke
mm
65
50
115
80
160
100
230
Main slide stroke
mm
110
106
193
150
280
200
350
Main motor
kw
11
18.5
18.5
18.5.
22
30
30
Cut-off-die size
mm
Ф30*45L
Ф53*56L
Ф30*50L
Ф45*59L
Ф45*59L
Ф63*69L
Ф55*70L
Punch die size
mm
Ф40*90L
Ф45*95L
Ф45*140L
Ф53*115L
Ф53*112L
Ф60*130L
Ф60*179L
Main die size
mm
Ф50*85L
Ф60*80L
Ф60*150L
Ф75*108L
Ф75*200L
Ф86*135L
Ф86*265L
Die pitch
mm
60
70
70
90
90
98
110
Machine Weight(Approx)
Kgs
8,000
11,000
14,000
14,000
20,000
23,000
32,000
Normal bolt size
mm
3-6
5-8
5-8
6-10
6-10
8-12.7
8-12.7
Shank length of blank
mm
10-65
15-55
25-105
15-70
30-150
20-100
70-210
Mechanical Dimensions(cm)
cm
380*212*147
420*220*173
455*235*208
410*250*180
570*240*230
455*260*196
780*260*270
REMARKS
The company keeps the right to revise above parameters. If there is any alterations , advance notice won't be given then.
The products' most applicable production speed is decided by the product shape, size and material.
Maximum material shearing diameter and product size listed in the table can be calculated according to medium carbon alloy steel. It is equal to 10.9 grade high Intensity screw.
Features of QLBF Series 3 Station Bolt Former
01
Compatible Reversible Nuts and Fixed Bolt Clips
Reversible nuts and fixed bolt clips that match with RBF serial multi-station parts forming machine.
02
Swing Transfer Conveyance
Transfer conveyance of rotary swing mode and transfer force of adjustable pneumatic mode ensures stable and reliable work-piece conveyance and high speed operation of the machine. The first station clip can automatically loose short dimension feeding, stop and alarm.
03
Coordinated Reciprocating Movement
Reciprocating movement of clipping table and opening/closing actions of the clips are both driven by a jpint intermediate shaft to ensure the coordinated actions.
04
Optional CNC Type Adjusting Mechanism
Is rear knock-out mechanism. Rear knock-out mechanism of various stations can be respectively and independently adjusted. Last station can. Before being kicked out, dead - point position of all models keeps the same. Some models can choose to add hand - wheel type or CNC type rear knock-out threaded pipe adjusting mechanism.
05
Independent Adjustment and Overload Protection
Is punch knock - out mechanism of RBF serial model. Punch knock - out coincides with back action of machine slider. After the work piece is shaped, it stays in the mould and then being kicked out by rear knock - out mechanism. It avoids being talken away by the punch and then get deformed, Various stations of front knock - out positions can be independently adjusted. All the front lead - out mechanism have knock - out force over- load protection devices.
06
Automatic Pawl Lifting and Noise Reduction
Is electric feeding mechanism, In return stroke, pawl can be automatically raised by air cylinder and be separated from ratchet wheel. It not only removes friction and noise, but also prevents ratchet wheel from reversal operation.
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RBF Series 6 Station Bolt Former
RBF Series 6 Station Bolt Former
The RBF Series 6 Station Bolt Former is an advanced piece of equipment designed for the efficient and precise production of bolts. With its six stations, it offers a comprehensive bolt manufacturing process including heading, threading, and trimming. This automatic nut bolt manufacturing machine ensures high productivity, accuracy, and versatility, making it suitable for manufacturers requiring large-scale bolt production with a wide range of specifications. The RBF Series 6 Station Bolt Former is an excellent choice for achieving optimum efficiency and quality in bolt manufacturing operations.
Specifications of RBF Series 6 Station Bolt Former
Main Technical Data of RBF Series 6-station High Speed and Fully Automatic Cold Heading and Forming Machine
Model
Unit
RBF 46S
RBF -66S
RBF 86S
RBF-106S
RBF-136S
RBF-136L
Forging station
No.
6
6
6
6
6
6
Forging force
Kgs
24,000
50,000
90,000
110,000
140,000
140,000
Max cut-off dia.
mm
Ф7
Ф10
Ф13
Ф16
Ф18
Ф18
Max cut-off length
mm
66
100
100
133
140
185
Speed Range
pcs/min
125-210
110-180
90-150
85-140
65-105
60-100
P.K.O Stroke
mm
10
26
26
26
26
30
K.O Stroke
mm .
51
85
85
110
110
160
Main slide stroke
mm
114
140
140
190
206
270
Main motor
kw
7.5
15
22
30
45
45
Cut-off-die size
mm
Ф24*35L
Ф35*45L
Ф42*60L
Ф52*75L
Ф58*80L
Ф58*80L
Punch die size
mm
Ф31*65L
Ф40*90L
Ф45*115L
Ф53*115L
Ф60*130L
Ф60*130L
Main die size
mm
Ф38*85L
Ф50*120L
Ф60*120L
Ф75*135L
Ф94*135L
Ф94*190L
Die pitch
mm
46
64
80
94
110
110
Machine Weight(Approx)
Kgs
9,000
16,000
20,000
24,000
31 ,000
35,000
Normal bolt size
mm
2-4
3-6
5-8
6-10
8-12.7
8-12.7
Shank length of blank
mm
6-50
15-75
15-77
15-102
20-100
20-150
REMARKS
The company keeps the right to revise above parameters. If there is any alterations, advance notice won't be given then.
The products' most applicable production speed is decided by the product shape, size and material.
Maximum material shearing diameter and product size listed in the table can be calculated according to medium carbon alloy steel. It is equal to 10.9 grade high Intensity screw.
At Rainbow, we understand the dynamic nature of manufacturing processes. Our commitment to innovation and reliability shines through in every aspect of our fastener equipment. Experience precision and efficiency with our state-of-the-art Nut Bolt Manufacturing Machine. Trust Rainbow for excellence in manufacturing technology.
Main Technical Data of RBF Series 6-station High Speed and Fully Automatic Cold Heading and Forming Machine
Model
Unit
RBF-136LL
RBF-166S
RBF-206S
RBF-206L
RBF-256S
RBF-276S
Forging station
No.
6
6
6
6
6
6
Forging force
Kgs
140,000
230,000
390,000
390,000
500,000
730,000
Max cut-off dia.
mm
Ф18
Ф23
Ф30
Ф30
Ф34
Ф41
Max cut-off length
mm
240
190
195
240
320
320
Speed Range
pcs/ min
55-90
55-95
50-80
40-70
40-60
30-50
P.K.O Stroke
mm
40
35
46
45
50
50
K.O Stroke
mm
210
165
180
220
280
280
Main slide stroke
mm
320
280
280
346
446
450
Main motor
kw
45
75
90
90
132
200
Cut-off-die size
mm
Ф58*80L
Ф74*105L
Ф94*130L
Ф94*130L
Ф109*150L
Ф129*180L
Punch die size
mm
Ф60*130L
Ф75*185L
Ф90*215L
Ф90*215L
Ф120*270L
Ф180*270L
Main die size
mm
Ф94*240L
Ф108*200L
Ф125*200L
Ф125*240L
Ф148*300L
Ф178*300L
Die pitch
mm
110
129
140
140
160
190
Machine Weight(Approx)
Kgs
42,000
56,000
80,000
80,000
135,000
170,000
Normal bolt size
mm
8-12.7
10-16
12-20
12-20
16-25.5
20-28.5
Shank length of blank
mm
20-200
25-152
25- 160
25-200
50-250
50-250
REMARKS
The company keeps the right to revise above parameters. If there is any alterations, advance notice won't be given then.
The products' most applicable production speed is decided by the product shape, size and material.
Maximum material shearing diameter and product size listed in the table can be calculated according to medium carbon alloy steel. It is equal to 10.9 grade high Intensity screw.
For further details and to explore how Rainbow nut and bolt manufacturing machine can enhance your production capabilities, please reach out to us.
Features of RBF Series 6 Station Bolt Former
01
Coordinated Clipping Table Movement
To achieve synchronized movements, a j-pint intermediate shaft drives both the reciprocating movement of the clipping table and the opening/closing of the clips.
02
Adjustable Rear Knock-Out Mechanism
Rear knock-out mechanisms can be individually and separately adjusted for different stations. The last station is. All models' dead-point positions remain the same prior to being removed. Rear knock-out threaded pipe adjustment mechanisms can be added to some models using a hand wheel or a CNC machine.
03
Overload Protection
RBF serial model's punch knock-out mechanism. Punch knockout occurs at the same time as the machine slider's back movement. The work piece remains in the mold after being moulded before being knocked out by a rear knock-out mechanism. It avoids getting distracted by the punch and being malformed. The placements of different front knock-out stations can be individually changed. All of the front lead-out mechanisms feature provisions to protect against knock-out forces exceeding loads.
04
Quiet and Efficient Electric Feeding Mechanism
Is the feeding mechanism electric, During the return stroke, the air cylinder has the ability to lift the pawl and detach it from the ratchet wheel. In addition to removing friction and noise, this bolt forging machine also stops the ratchet wheel from turning in the other direction.
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RBF Series 5 Station Bolt Former
RBF Series 5 Station Bolt Former
The RBF Series 5 Station Bolt Former is a specialized equipment used for the efficient and precise production of bolts. With its 5 stations, it offers multiple operations such as heading, threading, and trimming, allowing for a complete bolt manufacturing process in a single machine. This machine is designed for high productivity and accuracy, making it an ideal choice for manufacturers in need of large-scale bolt production.
Specifications of RBF Series 5 Station Bolt Former
Main Technical Data of RBF Series 5-station High Speed and Fully Automatic Cold Heading and Forming Machine
Model
Unit
RBF- 65S
RBF 85S
RBF-105S
RBF-135L
Forging station
No.
5
5
5
5
Forging force
Kgs
43,000
85,000
98,000
145,000
Max cut-off dia.
mm
Ф8
Ф10
Ф12
Ф15
Max cut-off length
mm
95
100
133
185
Speed Range
pcs /min
120-200
95-160
90-150
60-105
P.K.O Stroke
mm
15
26
20
30
K.O Stroke
mm
80
85
110
160
Main slide stroke
mm
136
140
190
270
Main motor
kw
15
22
30
37
Cut-off-die size
mm
Ф30*45L
Ф35*62L
Ф45*59L
Ф63*69L
Punch die size
mm
Ф40*90L
Ф45*115L
Ф53*115L
Ф60*130L
Main die size
mm
Ф50*110L
Ф60*120L
Ф75*135L
Ф86*190L
Die pitch
mm
60
80
94
110
Machine Weight(Approx)
Kgs
11T
17,000
20T
32,000
Normal bolt size
mm
3-6
5-8
6-10
8-12.7
Shank length of blank
mm
10-75
15-75
15-100
20-150
Mechanical Dimensions(cm)
cm
350*220*170
420*250*190
455*275*230
560*300*225
REMARKS
The company keeps the right to revise above parameters. If there is any alterations, advance notice won't be given then.
The products' most applicable production speed is decided by the product shape, size and materia.
Maximum material shearing diameter and product size listed in the table can be calculated according to medium carbon alloy steel. It is equal to 10.9 grade high Intensity screw.
Main Technical Data of RBF Series 5-station High Speed and Fully Automatic Cold Heading and Forming Machine
Model
Unit
RBF-165S
RBF-205L
RBF-255L
RBF-255LL
RBF-305L
Forging station
No.
5
5
5
5
5
Forging force
Kgs
236,000
380,000
480,000
480,000
600,000
Max cut-off dia.
mm
Ф18
Ф23
Ф30
Ф32
Ф36
Max cut-off length
mm
190
240
370
450
420
Speed Range
pcs /min
55-95
45-75
35 55
30-50
25 45
P.K.O Stroke
mm
30
45
45
60
60
K.O Stroke
mm
165
220
315
400
380
Main slide stroke
mm
274
346
500
620
580
Main motor
kw
55
75
110
110
132
Cut-off-die size
mm
Ф75*100L
Ф75*120L
Ф99*150L
Ф99*150L
Ф118*150L .
Punch die size
mm
Ф75*185L
Ф90*215L
Ф120*270L
Ф120*270L
Ф140*300L
Main die size
mm
Ф108*200L
Ф125*240L
Ф148*355L
Ф148*450L
Ф168*420L
Die pitch
mm
129
140
160
160
180
Machine Weight(Approx)
Kgs
52,000
72,000
130,000
160,000
200,000
Normal bolt size
mm
10-16
12-20
16-25.4
16-25.4
24-30
Shank length of blank
mm
20-150
25-200
60-300
120-400
100-350
Mechanical Dimensions(cm)
cm
600*317*272.5
830*430*320
935*460*339.5
1200*470*500
1100*490*480
REMARKS
The company keeps the right to revise above parameters. If there is any alterations, advance notice won't be given then.
The products' most applicable production speed is decided by the product shape, size and material.
Maximum material shearing diameter and product size listed in the table can be calculated according to medium carbon alloy steel. It is equal to 10.9 grade high Intensity screw.
Features of RBF Series 5 Station Bolt Former
01
Enhanced productivity
The RBF Series 5 Station Bolt Former is designed to provide even higher productivity compared to its predecessor. Its five-station design enables the simultaneous formation of multiple bolts, allowing for faster production.
02
User-friendly interface
The RBF Series 5 Station Bolt Former features a user-friendly interface, making it easy to program and operate. It allows for quick and simple setup, minimizing downtime and streamlining production processes.
03
Robust construction
Built with sturdy materials and components, this bolt former offers excellent durability and reliability. It can withstand heavy-duty use and is designed for long-lasting performance.
04
Low maintenance requirements
The machine requires minimal maintenance, reducing maintenance costs and downtime. Routine cleaning and servicing can be easily carried out by the user, ensuring smooth operation.
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RBF Series 4 Station Bolt Former
RBF Series 4 Station Bolt Former
The RBF Series 4 Station Bolt Former is a high-performance machine designed for efficient production of bolts. With its four stations, it offers multi-stage processing capabilities, including heading, threading, and pointing. It provides precise and consistent results, ensuring reliable bolt production. Ideal for use in industries such as automotive, construction, and fastener manufacturing.
Specifications of RBF Series 4 Station Bolt Former
Main Technical Data of RBF Series 4- station High Speed and Fully Automatic Cold Heading and Forming Machine
Model
Unit
RBF 44S
RBF-64S
RBF-64L
RBF-84S
RBF-104S
RBF-104L
RBF-134L
Forging station
No.
4
4
4
4
4
4
4
Forging force
Kgs
20,000
45,000
45,000
65,000
85,000
85,000
130,000
Max cut-off dia.
mm
Φ5
Φ8
Φ8
Φ10
Φ12
Φ12
Φ15
Max cut-off length
mm
55
90
125
100
130
185
190
Speed Range
pcs/min
300
140-240
100-180
120-200
95-160
90-150
75-120
P.K.O Stroke
mm
10
12
20
19
20
30
30
K.O Stroke
mm
45
85
110
85
110
160
160
Main slide stroke
mm
100
136
172
140
190
280
270
Main motor
kw
7.5
15
15
22
30
30
37
Cut-off-die size
mm
Φ20*30L
Φ30*45L
Φ30*45L
Φ35*50L
Φ45*59L
Φ45*59L
Φ63*69L
Punch die size
mm
Φ32*60L
Φ40*90L
Φ45*110L
Φ45*115L
Φ53*115L
Φ53*115L
Φ60*130L
Main die size
mm
Φ38*60L
Φ50*110L
Φ50*130L
Φ60*120L
Φ75*135L
Φ75*200L
Φ86*190L
Die pitch
mm
48
60
60
80
94
94
110
Machine Weight(Approx)
Kgs
45,00
10,000
12,000
14,000
18,000
24T
26,000
Normal bolt size
mm
2-4
3-6
3-6
5-8
6-10
6-10
8-12.7
Shank length of blank
mm
10-40
10-75
35-100
15-75
15-100
20-150
25-150
Mechanical Dimensions(cm)
cm
250*150*125
400*203*169
440*200*165
430*230*185
450*250*195
570*277*219
500*277*219
REMARKS:
The company keeps the right to revise above parameters. If there is any alterations, advance notice won't be given then.
The products' most applicable production speed is decided by the product shape, size and material.
Maximum material shearing diameter and product size listed in the table can be calculated according to medium carbon alloy steel. It is equal to 10.9 grade high Intensity screw.
Main Technical Data of RBF Series 4- station High Speed and Fully Automatic Cold Heading and Forming Machine
Model
Unit
RBF-134LL
RBF-164S
RBF-164LL
RBF-204L
RBF-204LL
RBF-254SL
RBF-254L
Forging station
No.
4
4
4
4
4
4
4
Forging force
Kgs
130,000
220,000
220,000
380,000
380,000
450,000
450,000
Max cut-off dia.
mm
Φ15
Φ18
Φ18
Φ23
Φ23
Φ26
Φ30
Max cut-off length
mm
285
195
325
240
360
255
320
Speed Range
pcs/min
50-80
70-110
40-70
50-80
40-65
40-70
35-62
P.K.O Stroke
mm
30
30
45
45
46
35
46
K.O Stroke
mm
280
170
320
220
325
215
280
Main slide stroke
mm
380
260
490
346
496
330
446
Main motor
kw
37
55
55
75
75
110
110
Cut-off-die size
mm
Φ55*70L
Φ60*90L
Φ64*100L
Φ75*120L
Φ75*120L
Φ80*130L
Φ99*150L
Punch die size
mm
Φ60*229L
Φ75*185L
Φ75*185L
Φ90*215L
Φ90*215L
Φ120*270L
Φ120*270L
Main die size
mm
Φ86*305L
Φ100*190L
Φ100*345L
Φ125*240L
Φ125*345L
Φ140*250L
Φ148*300
Die pitch
mm
110
120
120
140
140
160
160
Machine Weight(Approx)
Kgs
38,000
40,000
60,000
62,000
76,000
103,000
120,000
Normal bolt size
mm
8-12.7
10-16
10-16
12-20
12-20
14-25.4
16-25.4.
Shank length of blank
mm
75-260
20-150
100-300
25-200
100-300
35-200
60-260
Mechanical Dimensions(cm)
cm
720*300*250
610*326*265
900*350*320
730*320*300
870*320*320
830*430*320
-
REMARKS:
The company keeps the right to revise above parameters. If there is any alterations, advance notice won't be given then.
The products' most applicable production speed is decided by the product shape, size and material.
Maximum material shearing diameter and product size listed in the table can be calculated according to medium carbon alloy steel. It is equal to 10.9 grade high Intensity screw.
Features of RBF Series 4 Station bolt former
01
High precision
The RBF Series 4 Station bolt former is designed to provide high precision in forming bolts. It ensures consistent and accurate results in every operation.
02
Versatile operation
This bolt former is capable of forming bolts with various specifications and dimensions. It can handle different sizes of bolts and provide flexibility in production.
03
Efficient production
With its four-station design, the RBF Series bolt former allows for high-speed production. It can quickly and efficiently form multiple bolts simultaneously, increasing productivity.
04
Easy setup and operation
The machine is designed with user-friendly features, making it easy to set up and operate. It reduces the downtime involved in changing the production setup, ensuring smooth operation.
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Bolt Forging Machine
Bolt Forging Machine
Rainbow's Bolt Forging Machine is a robust, adaptable equipment for bolt forging processes, transforming metal blanks into components such as bolts, screws, and fasteners. Its cutting-edge technology and meticulous engineering guarantee uniform outcomes, high production speed, and remarkable longevity, making it a perfect choice for manufacturers in diverse sectors.
Types of Bolt Forging Machine
RBF Series 4 Station Bolt Former
This advanced machine is designed for efficient and precise production of bolts, offering four stations for versatile and high-quality bolt manufacturing.
RBF Series 5 Station Bolt Former
This state-of-the-art machine is designed for precise and efficient production of bolts, offering five stations for enhanced versatility and high-quality bolt manufacturing results.
RBF Series 6 Station Bolt Former
Rainbow's RBF Series 6 Station Bolt Former offers versatile and precise bolt production. With six stations, it ensures high-quality results and seamless operation for fastener manufacturers.
QLBF Series 3 Station Bolt Former
This state-of-the-art machine is designed for efficient and precise production of bolts, offering three stations for versatile and high-quality bolt manufacturing results.
Benefits of Bolt Forging Machine
1
Increased productivity: Bolt forging machine can produce bolts at a much faster rate compared to traditional methods. This leads to higher production capacity and improved efficiency.
2
Improved bolt quality: Bolt forging machines ensure consistent and precise manufacturing, resulting in bolts that meet strict quality standards. This reduces the risk of defects or failures in the bolts, enhancing overall product reliability.
3
Cost savings: By automating the bolt forging process, companies can save on labor costs as fewer operators are required. Additionally, the increased productivity and improved bolt quality contribute to lower production costs in the long run.
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Rainbow Fastener Manufacturing Machinery Display
Bolt Forging Machine
Rainbow's Bolt Forging Machine is a robust, adaptable equipment for bolt forging processes, transforming metal blanks into components such as bolts, screws, and fasteners.
RBF Series 4 Station Bolt Former
RBF Series 5 Station Bolt Former
RBF Series 6 Station Bolt Former
QLBF Series 3 Station Bolt Former
Nut Forging Machine
Rainbow' s Nut Forging Machine is a powerful, flexible tool for nut forging processes, converting metal blanks into components such as nuts, couplings, and connectors.
RNF Series 6 Station Nut Former
RNF Series 7 Station Nut Former
Cold Heading Machine
Rainbow's Cold Heading Machine is a specialized equipment used for cold forming and heading processes. It efficiently and accurately shapes metal materials, producing high-quality and reliable fasteners.
RSH Series 1 Die 2 Blow Cold Heading Machine
RSR Series Semi-Tubular Rivet Cold Heading Machine
RB Series 2 Die 4 Blow Cold Heading Machine
Nut Tapping Machine
Rainbow Nut Tapping Machine: Achieve precise and efficient nut tapping with our reliable equipment. Ensuring high-quality results, our machine is designed for versatility and ease of use.
4 Spindle Nut Tapping Machine
2 Spindle Nut Tapping Machine
Cold Heading Machine
Rainbow's Cold Heading Machine is a specialized equipment used for cold forming and heading processes. It efficiently and accurately shapes metal materials, producing high-quality and reliable fasteners.
RSH Series 1 Die 2 Blow Cold Heading Machine
RSR Series Semi-Tubular Rivet Cold Heading Machine
RB Series 2 Die 4 Blow Cold Heading Machine
Thread Rolling Machine
Offering precision and efficiency for seamless metal rolling. Achieve high-quality results with our reliable and versatile equipment.
CY Series Flat Die Thread Rolling Machine
ZP Series Round Die Thread Rolling Machine
Nut Tapping Machine
Rainbow Nut Tapping Machine: Achieve precise and efficient nut tapping with our reliable equipment. Ensuring high-quality results, our machine is designed for versatility and ease of use.
4 Spindle Nut Tapping Machine
2 Spindle Nut Tapping Machine
Screw Washer Assembly Machine
Washer assembling machine is a specialized machine with high speed, to assemble bolt, plain washer, spring washer, then thread. The machine has stable performance and strong practicality.
Nut Bolt Assembly Machine
The Nut Bolt Assembly Machine is a specialized equipment used for efficiently and accurately assembling nuts and bolts. It automates the assembly process, reducing labor requirements and ensuring precise and consistent results. This machine is ideal for manufacturers in need of high-volume nut and bolt assembly capabilities.
Screw Sorting Machine
The Screw Sorting Machine is a specialized equipment used for automated sorting of screws based on size, shape, and other specified criteria, increasing efficiency in assembly processes.
U Shape Bolt Equipment
Rainbow U Shape Bolt Equipment: Delivering precise and efficient U-shaped bolt production. Our reliable machine ensures high-quality results and is designed for versatility and ease of use.
W58 Straightening & Cutting Machine
XM-B38NC Spline Head Hydraulic Pipe Bending Machine
ZD-3-B Thread Bar Automatic Receiving Machine
ZD-3 Thread Bar Automatic Feeding Maching
Maintenance Tips for Fastener Making Machinery
Regular Cleaning and Lubrication
Keep the fastener making machinery clean and free from debris. Regularly lubricate moving parts to reduce friction and ensure smooth operation.
Inspection and Replacement of Wear Parts
Periodically inspect the cold forging machine for any signs of wear or damage. Replace worn-out parts, such as belts, bearings, or cutting tools, to prevent breakdowns and maintain optimal performance.
Calibration and Alignment
Check the alignment of the machine components, such as guides, rollers, and cutter heads, to ensure accurate operation. Calibrate the machine according to manufacturer specifications to maintain precise dimensions and tolerances in the produced fasteners.
Importance of Automation in Fastener Production Processes
Automation plays a crucial role in fastener production processes, offering numerous benefits and advantages.
Firstly, automation improves productivity and efficiency. Automated machines can perform tasks at a much faster pace than manual labor, resulting in increased production rates and throughput. This allows manufacturers to meet higher demand and achieve greater output with fewer resources.
Secondly, automation ensures consistent quality and precision. Automated machines perform tasks with high accuracy and repeatability, reducing human error. This results in the production of fasteners that meet stringent quality standards and have consistent dimensions, ensuring a reliable and consistent end product.
Thirdly, automation enhances worker safety. By automating repetitive and hazardous tasks, workers are protected from potential injuries and risks associated with manual labor. This creates a safer working environment and reduces the occurrence of work-related accidents.
Moreover, automation enables real-time monitoring and data collection. Automated machines can gather data on production rates, quality metrics, and machine performance. This data can be analyzed to identify bottlenecks, optimize processes, and make data-driven decisions for improving overall efficiency and quality.
Ultimately, the implementation of automation in fastener production processes helps manufacturers stay competitive in the global market by increasing productivity, improving quality, enhancing worker safety, and driving overall operational excellence.
Different Types of Fastener Making Machinery
1. Heading Machines: Used to create the head of fasteners, such as screws and bolts, by applying pressure to a metal blank.
2. Thread Rolling Machines: Used to create threads on fasteners through a rolling process, ensuring strong and precise threading.
3. Nut Tapping Machines: Designed specifically for tapping threads into nuts, providing efficient and accurate threading operations.
4. Wire Drawing Machines: Used to reduce the diameter of metal wire by pulling it through a series of dies. This process creates the basic material used in fastener manufacturing.
5. Bolt Making Machines: Purpose-built machines that form bolts by cutting and shaping metal blanks, creating the desired dimensions and shapes for specific applications.
6. Screw Making Machines: Similar to bolt making machines, but specifically designed to manufacture screws, including self-tapping and machine screws, with various thread types.
7. Rivet Making Machines: These machines are used to form rivets by cutting and shaping metal blanks, enabling the production of different types and sizes of rivets.
8. Washer Making Machines: Designed for producing washers, these machines enable the cutting and shaping of metal blanks into washers of various shapes and sizes.
9. Nut Formers: Specialized machines that shape metal blanks into nuts by applying pressure and forming the desired dimensions and threading.
10. Fastener Packaging Machines: Used for automated packaging and labeling of fasteners, improving efficiency and ensuring proper packaging for shipment and distribution.
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