
FUNCTION
The automatic metalworking rolling mill is mainly used for forging process of metal material, which can accurately deform the metal to obtain the desired shape and size.
Its main applications include:
Shaft stretching: The roll forging process can increase the length of shaft through continuous plastic deformation to meet product dimensional requirements.
Material distribution along length: By precisely controlling the roll forging machine, material can be distributed uniformly along the length direction.
Production of workpieces with complex shape: The roll forging can be used to produce forgings with complex cross-section shapes, such as connecting rods, crankshafts, etc.

PRINCIPLE

The working principle of the roll forging machine is mainly to exert pressure on the metal material through a pair of reverse rotating rollers to produce plastic deformation. During roll forging, the metal billet is placed in the feeding area of the roll forging machine and then rotated by the drive wheel. During rotation, two rollers move towards the center and apply a certain amount of pressure on the billet. This process can be divided into three stages: primary deformation, intermediate deformation and final deformation. The billet is processed by the roll forging machine, and the plastic deformation of the desired shape and size can be precisely achieved.
APPLICATION
As an advanced plastic forming process, roll forging has been widely used in many industries. In aerospace, automotive, agricultural tools, weapons and daily hardware industries, roll forging process is used to produce various forgings, such as automobile front axle, crankshaft for aircraft engine, connecting rod, engine blade, spade and wrench.
In addition, the roll forging machine can also be used to produce twist drill, knife nail, hoe, pickaxe and other workpieces.

ADVANTAGE

It has a series of advantages such as high material utilization rate, good product quality, good working conditions, easy to realize mechanical automation, high production efficiency and long die life. Compared with ordinary die forging, the machine tonnage needed by roll forging is small. By the way, roll forging machine also needs less fire times, lower labor costs. A single piece can save about 30% of raw material, but obtain accurate size and smooth surface of the billet.
The automation technology of automatic roll forging machine brings significant advantages, making the whole production process more efficient, stable and intelligent. First of all, the automated roll forging machine can improve production efficiency. Traditional free forging and die forging mainly rely on manual operation, which is not only labor-intensive and costly, but also slow in production and difficult to maintain product consistency. The automatic roll forging machine is controlled by computer programs and operated by automatic mechanical arms, which can complete the forging of higher-quality products in a shorter time, and can greatly improve production efficiency. On the other hand, the fully automatic roll forging machine can run continuously without interruption, reduce the equipment operation time of shutdown and startup, improve the equipment utilization rate, and thus reduce the cost of using equipment. Automated production improves the overall quality and consistency of the product. In the operation of manual roll forging machine, the product is affected by the experience and working status of the workers, and the product quality is prone to uneven conditions, which increases the labor cost of subsequent product quality inspection. The automatic roll forging machine relies on advanced sensors and PLC computer control systems to adjust key parameters at any time, obtain product data in a timely manner, optimize roll forging process parameters, reduce equipment failure rate, and improve overall production efficiency.
SPECIFICATION
|
|
Unit |
Model |
|||||||
|
ZGD-260 |
ZGD-300 |
ZGD-370 |
ZGD-460 |
ZGD-560 |
ZGD-680 |
ZGD-1000 |
ZGD-1250 |
||
|
Outer diameter of roll forging die |
mm |
260 |
300 |
368 |
454 |
560 |
680 |
990 |
1250 |
|
Diameter of roller |
mm |
165 |
200 |
240 |
300 |
360 |
440 |
600 |
800 |
|
Effective width of roller/die |
mm |
320 |
390 |
500 |
550 |
610 |
900 |
1250 |
1400 |
|
RPM of roller |
r/min |
80 |
80 |
66 |
58 |
52 |
40 |
10 |
8 |
|
Length of forged part max. |
mm |
≤260 |
≤350 |
≤500 |
≤600 |
≤700 |
≤800 |
≤1500 |
≤1850 |
|
Adjustment of gap between center of rollers |
mm |
260±6 |
300±8 |
368±8 |
458±8 |
560±10 |
680±10 |
990±12.5 |
1250±15 |
|
Main motor power |
kW |
15 |
18.5 |
22 |
30 |
55 |
132 |
250 |
315 |
|
Diameter of billet |
mm |
≤40 |
≤50 |
≤65 |
≤80 |
≤110 |
≤140 |
≤170 |
≤200 |
|
Longitudinal stroke of manipulator max. |
mm |
330 |
390 |
490 |
630 |
758 |
890 |
5000 |
|
|
Horizontal stroke of manipulator max. |
mm |
330 |
400 |
520 |
560 |
620 |
910 |
1250 |
1450 |
|
Adjustment of longitudinal position |
mm |
150 |
150 |
200 |
200 |
300 |
300 |
Customized |
Customized |
|
Adjustability of vertical & horizontal |
Adjustable |
Adjustable |
Adjustable |
Adjustable |
Adjustable |
Adjustable |
Adjustable |
Adjustable |
|
|
Single horizontal distance |
mm |
60-90 |
60-90 |
70-100 |
70-130 |
80-140 |
90-160 |
Adjustable |
Adjustable |
|
Rotation angle of manipulator |
° |
90 |
90 |
90 |
90 |
90 |
90 |
90 |
90 |
|
Normal rolling temperature |
℃ |
1050-1150 |
1050-1150 |
1050-1150 |
1050-1150 |
1050-1150 |
1050-1150 |
1050-1150 |
1050-1150 |
|
Coaxiality |
mm |
≤ 0.5 |
≤ 0.5 |
≤ 0.5 |
≤ 0.6 |
≤ 0.8 |
≤ 1 |
≤1.2 |
≤ 1.5 |


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