Rivet making machine
  • Rivet making machine Rivet making machine

Rivet making machine

The rivet making machine is specifically designed to produce various types of rivets. First, the metal wire is fed into the machine, which is then cut into small sections of a fixed length. Next, it is pressed through a mold to shape one or both ends of the wire into the head shape of a rivet.

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Product Description

The rivet making machine is specifically designed to produce various types of rivets. First, the metal wire is fed into the machine, which is then cut into small sections of a fixed length. Next, it is pressed through a mold to shape one or both ends of the wire into the head shape of a rivet.


Product Parameter (Specification)

Model
Unit
WH-NF 11B-6S
WH-NF 14B-6S
WH-NF 19B-6S
WH-NF 24B-6S
WH-NF 33B-6S
WH-NF 41B-6S
Forging Station
NO.
6 6 6 6 6 6
Across Flats of Nut
mm
5.5-12.7
10-17
14-22
17-26
24-33 30-41
Suitable Hex Nut
DIN
M3-M6
M6-M10
M8-M14
M10-M18
M16-M22
M20-M27
Cut-off Dia
mm
11 16 19 24 31 40
Dies Pitch
mm
50 60 80 100 140 165
Forging Power
Ton
60 90 135 230 360 450
Main Motor
HP
15 20 50 75 150 200
Lubrication Motor
HP
1.5 1.5 1.5 3 1.5 3 3 3
Installed Quantity
SET
(1)
(2)
(1)(1)
(1)(1)
(2)
(2)
Lubricant
L 700 1000 1200 1700 1900 2200
Approx Weight
Ton
4.5 8 14 25 45 72


Product features

The features of the rivet making machine are quite obvious. The mold replacement is very convenient. To make different shapes of rivets, just change the mold set. For example, from round heads to flat heads. The impact force of this machine is sufficient. Whether it is aluminum, copper or iron materials, it can press out regular heads without any cracking or deformation.


Rivet making machine

Product details


The rivet making machine mainly uses the cold heading process to transform wire into solid rivets. This process involves feeding the wire, straightening it, cutting it into precise blanks, and then shaping the rivet head. The machine uses high pressure, using a punch to extrude and cut one end of the blank in the mold cavity. The cold heading process causes the metal to shift, thereby forming the characteristic shape of the rivet head without the need to heat the material.

The machine first feeds the wire rod (usually made of steel, aluminum or copper alloy) into the straightening mechanism to eliminate any bends. Then, the precision shearing machine cuts the straightened wire into billets of specific lengths. These uniformly sized billets are the raw materials before entering the cold heading section (for forming the rivet heads), and they are of crucial importance.

Many rivet making machines are equipped with a trimming station immediately after the upsetting process. This step can remove the small burrs or sharp edges formed at the edge of the new rivet head (the excess metal squeezed out between the punch and the die). Trimming ensures that the rivet head has a clear outline and a consistent diameter, which is crucial for proper installation and appearance.


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