EN TW
 tel. +886-2-278-45675 (1-30)  fax.+886-2-278-45676  e-mail:     info@rgt.tw

COLD HEADING DIES

 


cold forming trimming die
Cold Forming Trimming Die.
cold forming trimming die M20
Cold Forming Trimming Die M20
cold forming trimming die M22
Cold Forming Trimming Die M22
cold forming trimming die M24
Cold Forming Trimming Die M24
cold forming trimming die M16
Cold Forming Trimming Die M16


In case of cold heading bolts on automatic machines hexagonal, square and close to them heads are usually made out by trimming a barrel-shaped set of metal. Technological operation of obtaining the head is carried out in a trimming die, usually located in a block of punches, through which the metal set for the head is pushed by a trimming punch with a pusher. Cutting dies are highly loaded parts of tooling and their consumption in mass production of bolts is very high.

Depending on the complexity of the part, during the cold heading process, the trimming operation can be performed several times: to trim the hexagon on the bolt head and to trim the head flange.

From the point of view of the choice of the manufacturing method, the trimming dies are parts with a through relief axial cavity that has a slope. They are installed in the body without interference, which allows for quick replacement.

  • Trimming dies (cutting dies) are made in accordance with the individual requirements of the customer.
  • Excellent lifetime of the cutting dies contributes to production savings.
  • The average life of the trimming die is 60,000 strokes on the reference product M8 screw made of SCM435 alloy wire.
  • Alloy MD-4 cutting dies for bolts, nuts and stainless steel special parts have a life of 40,000 strokes.
We have the ability to develop tools and accessories according to finished product drawings and technical requirements. To do this, it is necessary to clarify the size of the fittings for the equipment, the model of the machines used and the diameter of the wire used for the upsetting of fasteners, hardware and parts.


Model Workpiece size Outer dimension Cross section
D L B
RG-5001-01 M5 30 20 7.80 +0.05
RG-5001-02 M6 30 20 9.80 +0.05
RG-5001-03 1/4UNC 30 20 10.92 +0.05
RG-5001-04 5/16UNC 35 23 12.45 +0.07
RG-5001-05 M8 35 23 12.75 +0.07
RG-5001-06 3/8UNC 35 23 14.05 +0.07
RG-5001-07 7/16UNC 42 23 15.60 +0.07
RG-5001-08 M10 42 23 16.75 +0.07
RG-5001-09 M12 45 28 18.70 +0.1
RG-5001-10 1/2UNC 45 28 18.75 +0.1
RG-5001-11 M14 45 28 21.75 +0.1
RG-5001-12 5/8UNC 59 32 23.50 +0.1
RG-5001-13 M16 59 32 23.75 +0.1
RG-5001-14 M18 59 32 26.75 +0.1
RG-5001-15 5/8UNC 60 40 23.50 +0.1
RG-5001-16 M16 60 40 23.75 +0.1
RG-5001-17 M18 60 40 26.75 +0.1
RG-5001-18 M20 60 40 29.75 +0.1
RG-5001-19 5/8UNC 64 32 23.50 +0.1
RG-5001-20 M16 64 32 23.75 +0.1
RG-5001-21 M18 64 32 26.75 +0.1
RG-5001-22 M20 64 32 29.75 +0.1
RG-5001-23 A325 4/3 64 32 30.90 +0.1
RG-5001-24 M20 74 40 29.75 +0.1
RG-5001-25 A325 4/3 74 40 30.90 +0.1
RG-5001-26 7/8UNC 89 40 32.80 +0.12
RG-5001-27 A325 7/8 89 40 35.60 +0.12
RG-5001-28 M24 89 40 35.75 +0.12
RG-5001-29 1"UNC 89 40 37.50 +0.12
RG-5001-30 A325 1" 89 40 40.40 +0.12


C - clearance
R - rake face
M - width of land
B - width of across flats
CR - corner radius
D1 - outled diameter
d2 - clearance hole diameter
L - height
Ca - clearance angle
Ra - rake angle

Cold Forming Trimming Die Cold Forming Trimming Die


cold forming trimming die
Cold Forming Trimming Die.



Contacts
Copyright © 2007 - 2024 TAIWAN METIZ ALLIANCE