Skip to content
36B-4S Four Die Four Blow Bolt Former manufactured by Ningbo Anchors Precision Machinery Co., Ltd.

Multi Station Bolt Forming Machine

36B-4S Four Die Four Blow Bolt Former

Multi station bolt forming machines carry the blank through three, four, five or six forging stations in one stroke sequence, so heads, shanks and shoulders are cold formed without secondary operations. The published parameter table for this machine covers model 36B-4S.

  • Built by Ningbo Anchors Precision Machinery Co., Ltd. in Ningbo, China
  • Full manufacturer parameter table on this page
  • Machine video available on request
  • Rapid response technical team for operation and troubleshooting

Have a drawing? Send it straight to WhatsApp or email — there is no form to fill in.

Main Specifications of 36B-4S Four Die Four Blow Bolt Former

Model Unit 36B-4S
Stations Pcs Four
Forging Force Ton 380
Max. Material Cutting Diameter Mm 29
Max. Material Cutting Length Mm 320
K.O Length Mm 290
P.K.O Length Mm 60
Cutting Die Size Mm 90*140
Main Die Size Mm 160*294
Die Pitch Mm 174
Punch Die Size Mm 105*232
Suitable Product Size M20-M24
Max. Product Length Mm 250
Min. Product Length Mm 60
Max. Production Speed Pcs/Min. 60
Main Motor Power Kw 95
Appro. Machine Weight Ton 108

1.We reserves the right to modify the above parameters, and may not be notified if there is any modification;

2.The most suitable production speed of the product depends on the shape, size and material of the product;

3.The maximum material shear diameter and the suitable product diameter listed in the table are calculated as medium carbon alloy steel, equivalent to 10.9 high strength screws.

Application Scope of 36B-4S Four Die Four Blow Bolt Former

4 Die 4 Blow Cold Bolt Maker is one kind of specialized machine with high efficiency and automation among forging machinery. Cold forging technique and automatic cold forging machines are used for producing different kinds of bolts, screws, rivets,special parts and nuts in the field of fastener industry. Because of the advantage of the cold forging equipment itself and the superiority of cold forging technique, the 4 Die 4 Blow Cold Bolt Maker also are widely used in different national economic fields for producing fasteners and non-standard parts for industry of aviation steamer, machinery, rail traffic, vehicle, motorcycle, bicycle, sewing machine, construction, furniture, light industry and daily necessities, etc.

Items can be produced by the 36B-4S Four Die Four Blow Bolt Former

Flange Bolts, Socket bolts,Hex Bolts, Fastener and Bolts, Hex Cap Screws, Spring Center bolts, Hex Socket Cap Screws, Carriage bolts, solid rivets, square head set screws, truss head track bolts, U Bolts, Fin Neck Bolts, shoulder bolts, coil thread bolts, Structure Liner Bolts, extra long Bolts, Hub Bolts fetter drive screws, wheel bolts, t-head bolts, Flange Bolts, eye bolts, shackle bolts, track bolts, wheel bolts, hex cap screws,auto fasteners,etc.

Salient Features of 36B-4S Four Die Four Blow Bolt Former

1. The air clutch brake system has been designed to actuate with low current and as “inching”, “single stroke” and “continuous running”. Except “inching”, the machine will always stop at the backward position of the main slider while operating in largest space.

2. Two sorts of transfers system for customer to choose: swing type (general equipped) and universal type (optional), equipped with pneumatic gripper, it can simplify the demand of operation, and is more stable when the machine runs at high speed.

3. Main motor is equipped with speed-adjust transducer, PLC control system, computer automatic man-machine interface system(Optional), these equipment make lots of convenience for customer to adjust the dimension of the non-standard products.

4. Feeding wheel and claw system are both drived by cylinder, the claw can stretch automatically when it goes back in order to reduce abrasion and noise. Feeding material and stop feeding material are controlled by two claws, the feeding material system is equipped with device for avoiding material draw back.

5. Perfect inspection system: short material inspecting and eliminating, inspection of the low location of oil pressure and air pressure, transfer system floating inspection system, overload, and lightload stop system to protect the lathe and dies and prolong the service life of them.

6. When the customer prepare to adjust the side cutting screw, they only need to adjust side cam’s station position, then they can achieve side cutting purpose. When the workpieces need not side cutting, customer can reset it to achieve the change from side cutting to former station.

7. High strengthened-material lathe bed, lengthened main and subsidiary slider structure and “pedrailtype” slider which is adopted domestically for the first time realize “zero space” assembling which assures the precision of the main slider movement and lengthens their service life of dies.

8. The main parts of all type machines have adopted strict casting procedure and annealing disposal to assure its steel hardness and precision.

9. Circle cutting die station assures the sheared material shouter than billet diameter which also can achieve accurate right angle cutting.

10. Auto sizing material stopper can adjust the precision of material size in the state of machine running.

11. P.K.O synchronized knock out system makes the choice of molding technics flexible.

12. Transfer finger moving and cutting cams are calculated via professional computer software to make machine stable in state of high speed forging.

13.There is imported converter available in electrical system, so it is easy to run the former with stepless variable drive PLC also is used for automatically inspecting the working mode of the former with the functions of fault alarm and fault display.

14.Touch screen and man-machine dialogue numerical control system are optional for meeting customer requirement, they are used for setting the length of thread pipe of rear knock out, the length of barrier and the feeding length, it is convenient for quick die change. This system has a memory capacity of 99 mnemonic modules for meeting the requirement of quick die change.

Main Structure And Parts Picture Introduction of 36B-4S Four Die Four Blow Bolt Former

Bolt maker body without enclosure High precision main slider​
Spring clamps system Transfer fingers system
PKO system Wire material cutting system
Clutch system with brake device Gears transmission system
Hydraulic and pnumatic control system Material discharge mechanism with convex plate quick replace function
Wire material feeding system Spiral bevel tranmission driving system

Standard accessories of 36B-4S Four Die Four Blow Bolt Former
1. One set of trial tools
2. One set of standard hand tools.
3. One set of standard spare parts.
4. One set of Clutch
5. One set of control Panel
6. One set of AC motor
7. transducer speed adjusting system.
8. Full Cover
9. Device of protect revert feed
10. One set of operator stand (The Buyer jointing in the Buyer plant)
11. Inside Lamp
12. One set of Safety Device
1. Pneumatic Sensor
2. Oil less Sensor
3. K.O. & P.K.O. Safety pin breakage detector
4. End of material detector
5. Motor Over load detector (including lub., coolant and fan motors)
6. Short Feed detector
7. Air pressure shortage detector
8. Lub. Oil shortage detector
9. Two-hand control unit for jogging
13. Two sets of electrical, operation & maintains manual in English.
14. The following consumables spare of machine drawing will be provided by Seller.
a)Die Locking Screw
b)Punch Locking Screw
c)P.K.O. Lever
d)Punch Bolster for all stations
e)Trimming Cam Drawing
f)K.O. Rod Drawing
g)All safety bolts drawings
h)Ratchet wheel drawing
i)Transfer arm drawing
j)Drawing of straightening rolls
k)Complete set of Electrical drawings
l)Die & Punch Blocks drawings

254S High Speed Automatic Bolt Making Machine

Questions and Answers

36B-4S Four Die Four Blow Bolt Former FAQ

What is the 36B-4S Four Die Four Blow Bolt Former used for?
It belongs to the multi station bolt forming machine family. Multi station bolt forming machines carry the blank through three, four, five or six forging stations in one stroke sequence, so heads, shanks and shoulders are cold formed without secondary operations. The structural description and the manufacturer parameter table on this page describe what this particular model covers.
Can I get the technical specification for my size range?
The parameter table on this page is the manufacturer table for the model range. Tell us the exact fastener diameter and length you run and we will confirm which line of the table applies.
Is this machine built by Anchors Machinery?
All equipment is built at the company works in Ningbo, Zhejiang, China, in an 18,000 square metre workshop with its own machining facilities.
Can it be supplied together with the upstream and downstream machines?
Yes. Anchors Machinery is a machine manufacturer as well as a solution provider and project contractor, so complete fastener and stamping production lines can be supplied rather than single machines only.
What support do I get after delivery?
A rapid response technical team instructs machine operation and helps solve problems that come up during production, so that machine efficiency and your output are protected after installation.
How do I request a price for this machine?
Send the part drawing or a photo plus the required size range and output per minute to [email protected] or by WhatsApp on +86 185 5689 5898. Quotations are prepared against the model and tooling configuration that suits your part.

Send the Part, Get the Machine Specification

A drawing or a clear photo plus your required output is enough for us to confirm the model and tooling.

Send drawings, samples or part specifications by WhatsApp or email — no forms, no sign-up.