Specifications

EN31 back up roll
1) 20 years manufacture experience
2) Strict dimension control
3) OEM service

  

We are the manufacturer specialized in machining heavy duty forging parts for nearly 18 years.Our products, such as drive shaft, Forging Hollow Shaft, Shaft Sleeve, Eccentri shaft, Forging rod, Large bolt, Heavy Duty Hydraulic Cylinder, are widely used in coiled material, petroleum, metallurgy, mine, machinery and transportation industry. etc.

  

Name	Technique	Material	Dia/mm	Wall thickness	Length/mm
Forging shaft	Forging+turning+grinding	alloy steel              carbon steel   stainless stee	200-800	----	500-20000
Hollow shaft	Forging+drilling+turning		150-800	≥15mm	≤17000
Shaft sleeve	Forge+drill & bore+turning +milling		400-700	≥15mm	≤18000
Large bolt	Rolled/forge+turning+threading		300-800	----	≤17000
Hydraulic cylinder	Forging+drill & bore+ turning		300-2000	≥10mm	≤10000
Other parts in deep-hole	Forge+ drill & bore+turning+mill		300-2000	----	≤20000

  

Product Flow

1.Inquiry with drawings in details.

2.Confirm steel material, chemical compositions, mechanical properties, tolerance.

3.Confirm payment terms,order materials or check material in stock.

4.Check material chemical compositions, material weight, dimesions.

5.Cut materials record weight, making mould for casting of pr-hearting for forging.

6.Forging ratios, heat treatment ,dimension check.

7.Rough machining, UT test,heat treatment.

8.Semi-finish, quenching,

8.Fine machining, UT test,  dimension inspection, mechanical properties test.

9.Customer inspection, packing, delivery arrangement.

Equipment list

Process	Equipment list	Capacity	Quantity
Forging	1800 & 1400t rotary forging press(GFM)	Max weight 15 tons	2
	5000t hydraulic forging press	Max weight 45 tons	1
	2500t hydraulic forging press	Max weight 15 tons	1
Heat treatment	Trolley heat treatment furnace	7000X1100X1100mm	2
	Well-type quenching furnace	Max depth 8 meter	2
	Cover-type quenching & tempering furnace	Max length 20 meters	1
Machining	CNC heavy duty lathe	Φ2500Χ8,000mm	1
	13M,17M,20M horizontal lathe	Φ1250Χ20,000mm	3
	Manual horizontal lathe	Φ800Χ5,000mm	13
	Deep-hole drilling & boring machine	Φ800Χ17,000mm	2
	Mill machine	2000Χ4000mm	2
	Grinding machine	Φ800Χ5000mm	1
	Saw machine	----	2

  

Packaging Details:	Export standard package or according to customer requirement
Delivery Detail:	30~60days according to various quantity

 

  

1. What kind of work does your company do?

 

   We are a company equip with many large and middle sizes of equipment to manufacture the forged rollers, round bars, casting iron pipe (mould) and various types of non-standard forging parts according to customer’s drawing and requirement.

 

 

 

2. What are the advantages of your company?

 

  We are a factory with nearly 20 year’s experience in the Machinery Area, strict quality control, and professional technicians to keep the warranty of the products, advanced management to make sure the lead time of the order.

 

 

 

3. What should we offer to place the order with your company?

 

   A. The drawings and dimensions of the products.

 

   B. The Steel No and Material Composition.

 

   C. Delivery status and other special requirement: like the heat-treatment, mechanical property, UT Test Etc.

 

 

 

4. Can we order the Machine parts different from yours?

 

   Yes, most of the machined parts we manufacture are non-standard, you are welcome to send the new things to find more chances of cooperation.

 

 

 

   If you have any enquiry, please do not hesitate to contact us