Cheap Double-rollers Cycle Hole Cold Rolling Mill for sale


General Description:
The rolling mill is a double-rollers long-run cycle hole cold rolling mill, which is customized according to the material characteristics of high-alloy steel to be a high-efficiency and high-precision cold rolling mill.According to the requirements of high precision of finished tube size, the equipment is customized from the following two aspects.
(1) Improve the dimensional accuracy of external diameter of finished tube:
① Adopt close-top roll housing with large rigidity and small deformation;
② The assembly bearing adopts plane bearing, which greatly reduces the oil system and rolling clearance compared with other bearings;
③ The roller assembly is made of elastic nylon, which has longer service life and less elasticity than traditional metal springs. The above three features can improve the dimensional stability of the external diameter of the finished tube and improve the product accuracy.
(2) Reduce the thickness deviation of finished tube:
AC servo control rotary feeding system is adopted, ensuring that the feeding amount and rotation angle are accurate and reliable, and the forward and reverse rotation are stepless adjustable. The feeding and rotation mode can be double return and double feed , double return single feed and single return single feed which distributes the rolling force evenly, reduces the axial force, significantly reduces the deviation of external diameter and thickness of finished tube, and improves the yield.

Specific Description:
|
No. |
Name |
Unit |
HGLG-50-HLLLS |
|
1 |
External diameter of tube blank |
mm |
Φ25-Φ65 |
|
2 |
Thickness of tube blank |
mm |
2-16 |
|
3 |
Length of tube blank |
m |
2-6 |
|
4 |
External diameter of finished-tube |
mm |
Φ25-Φ40 |
|
5 |
Tolerance of external diameter of tube blank |
m |
±0.1 |
|
6 |
Tolerance of thickness of tube blank |
m |
±0,4 |
|
7 |
bending of tube blank |
mm/m |
≤2 |
|
8 |
Thickness of finished-tube |
mm |
0.5-15 |
|
9 |
Length of finished tube |
m |
≤15 |
|
10 |
Tolerance of external diameter of finished-tube |
% |
±0.065 |
|
11 |
Tolerance of thickness of finished-tube |
% |
70% |
|
12 |
Elongation coefficient |
≤3.5 |
|
|
13 |
Feed quantity |
mm/time |
1-8 |
|
14 |
Total rotation angle |
degree |
33-75 |
|
15 |
Work mode of rolling mill |
Continuous feeding of close-top roll housing |
|
|
16 |
Rotary feeding mechanism and working mode |
Double feeding and double return and single feeding and single return are available |
|
|
17 |
Pitch circle of roller driving gear |
mm |
|
|
18 |
Roller hole form: |
Circular groove |
|
|
19 |
Roller diameter |
mm |
Φ350-Φ190×Φ150 |
|
20 |
Working length of hole |
||
|
21 |
Reciprocating speed of roll housing |
Time/min |
50-220 |
|
22 |
Run-length of roll housing |
mm |
763 |
|
23 |
Main power |
kw |
132 |
|
24 |
Maximum force of rolling mill |
t |
260 |
|
25 |
Flow of technological lubrication |
L/min |
63 |
Company Profile


Yantai Haige International Trading Co.,Ltd.,is a joint-stock enterprise engaged in exporting products such as machines,pumps and parts etc. produced in China to the markets abroad,which is located in Laishan district,Yantai City,Shandong Province,China.
Our company is based on the manufacturing plant-Yantai Haige machine tools Co.,Ltd and Yantai Hangjian Refined Special Steel Equipment Co.,Ltd. which focus on manufacturing many kinds of metal finishing equipment. Area of the factory is about 10000 square meter. There are one hundred and sixty staffs working in the factory,includes 14 staffs focusing on R&D.
We have exported various products which mostly are machines and machine parts to many countries.We can provide timely oversea service. We are the exclusive agent of Yantai Volm Vacuum Technology Co.,Ltd.,which focus on manufacturing various of vacuum pumps,we represent their business in international markets.Also we are appointed to be the sole sales agent of Shandong Gexin machinery manufacturing Co.,Ltd. for their Rotational Moulding products and machine.
We focus on the the quality of the products we sell,We welcome you to our plant and hope to have the pleasure of providing you the perfect products and best services.
Certificates

Customer

Exhibition

Packaging

GB/T9061-2006 General specification for metal cutting machine tools
GB191-90 Packaging Storage Icon Mark
GB307-84 General technical requirements for rolling bearings
GB699-88 Technical specification for high quality carbon structural steels
GB700-88 carbon structural steel
GB985-88 gas welding, manual arc welding and gas shielded welding
GB1591-88 low alloy structural steel
GB5117-85 carbon steel electrode
GB5118-85 low alloy steel electrode
GB8923-88 Corrosion grade and rust removal grade of steel surface before coating
GB11345-89 Classification of manual ultrasonic inspection and classification of inspection results for weld seam of steel
GB11352-89 Cast carbon steel parts for general engineering
GB/T13306-91 Label
GB/T13384-92 General specification for packaging of electromechanical products
QB01-2007 cyclone centerless lathe technical specification
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