Steel forged Mill Roller Shaft
Company profile
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.
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 & Delivery
Packaging Details: | Export standard package or according to customer requirement |
Delivery Detail: | 30~60days according to various quantity |
Product List
| 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.
Steel ingot making
EAF+LF+VD/VAD or ESR
Manufacturing process
EAF + LF + VD+ Forging+ Normalizing & Tempering + Rough machining + UT test + Quenching & Tempering + Precision machining
Report
Chemical composition report, Physical properties report, Heat treatment report, Dimensional inspection report, NDT report
Nondestructive test (NDT)
UT ( ultrasonic testing ), MT ( magnetic particle testing ), PT ( penetrant testing)
Quality certification : ISO 9001: 2008, IQNET
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