Home > News > Industry News > What Is the Thread Rolling Process?
Browse Categories
Industry News
Company News
Certifications
Contact Us
Harbin Rainbow Technology Co., Ltd.Address:C2-02 Handi Building,Songbei Distr.,Harbin,ChinaPostal Code:150028Web site address:http://www.fastenerequip... Contact Now
News

Difference between hot dip zinc and hot dip galvanising

Hot-dip zincing and hot-dip galvanising are two different processes for corrosion protection of metals, with hot-dip zincing usually providing better ...

China factory price and Advanced Automatic Screw Maker Thread Rolling Machine

Product Descriptionview more >>Frequently bought togetherHigh Speed Thread Rolling Machine Factory Price Thread Roller Hot Sale Thread Machine$4,800.0...

Analysis of the principle and function of spring washers

In all kinds of mechanical connections, the anti-loosening of bolts is a very important link, and there are many ways to prevent loosening of bolts in...

What's self-tapping screw?

Self-tapping screws: similar to machine screws, but the threads on the screw for special self-tapping screws with threads. Used to fasten the connecti...

Max diameter one key molding nut drilling machine 2 spindle nut tapping machine

Nut tapping machine is a kind of mechanical processing equipment that processes internal threads, screws or teeth in the inner side of the holes of th...

Hot popular Cold Forging machine bolt forming machine with inveter for good design

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(...

International Fastener Exhibition in New Delhi, India

It is a professional fastener exhibition in Southeast Asia FASTNER FAIR INDIA is a professional fastener exhibition in Southeast Asia, and also mainta...

hot forging furnace induction heating machine ipsen furnace mesh belt

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(...

High speed installation cold forging machine bolts and nuts making machine for screw

RBF 64S cold heading machine Latest production bolt former machine for anchor

Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(...

Browse Categories

What Is the Thread Rolling Process?

Joanne 2024-06-04 13:24:06

How do you make screws, bolts and similar? Today, we talk about the thread rolling process.

 

What are you doing during the thread rolling process?

The thread rolling process allows the cold forming. The threats are formed on cylindrical sections and making them go through 2 molds that translate and rotate. How do you get the profile? During this process, the profile is obtained through a process of plastic deformation of material with which they can perform mass external threads. In practice, what is a rolling process? It’s a process of coining cold on special machines (also called rolling machines). These are highly productive automatic cycle machines.

 

 

 

 

 

 

 

 

 

 

 

What molds you use?

You use 2 types of molds (also called combs):

  • Flat ones (e.g. incoming flat moulds )

  • Roll ones. (e.g. moulds with 2 rolls)

 

 

 

 

 

 

 

 

 

 

What are the difference about combs?

THREAD ROLLING MACHINE WITH FLAT COMBS

Threads are formed on a bar or a wire with:

  • mean inclination of the propeller

  • thread shape

that correspond to:

  • the inclination

  • to the profile of the scuffing combs

How are the combs?

  • Fixed comb: it is mounted with a slight inclination in order to cause the penetration of the piece

  • Second comb: it is equipped with alternate cutting movement with allocation that allows you to move the scuffing by half-step.

 

 

 

 

 

 

How do you make threading?

In this case takes place in a single pass. The rough that is introduced at one end of the fixed bearing, it is dragged and worked up at the other end. Thanks to the action of the pressure of the combs (progressive) you create the compartments of the thread without:

  • cutting actions

  • chip formation