We – EPG Group the biggest couplings and gears factory in China with 5 different branches. For more details: Mobile/whatsapp/telegram/Kakao us at: 0086-13083988828
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Product features
we can produce gear shaft,step shaft,main shaft,wind turbine shaft,flanges,supporting roller,forged ring,gearbox and other forging and casting parts.
Technical processing:
The Process As Follow: ingot → heat → forging → heat treatment(normalizing+tempering) → inspection → rough machining → UT → 2nd heat treatment → finishing machining → inspection .
Quality Control: UT,MT,RT,PT,chemical composition test,mechanical property test,etc.
Heat Treatment: Normalize,Quenching,Tempering,Anealled.
Surface Treatment: painting,plating,polishing,black oxide,transparent anti-rust oil.
Inspection: Besides our in-house inspecion, you could also choose a third party inspection.
Standard: ANSI,ASTM,ASME,API,JIS,DIN,BS,EN,KS,UNI,SABS,GOST.
Certificate: 1, Raw material certificate(material chemical compositon)
2, Heat treatment sheet report
3, Dimension inspection report
4, UT test report
Packing: Seaworthy plywood packaged on stell pallets or as customer’s request
Delivery Date: Decided by the amount and dimensions of products. Usually we control the large diameter rings’ delivery time within 5 weeks after we receive your formal order.
Competitive Advantage: Quality control and management to the whole produce process, including ingot smelting,forging, heat treatment, machining and strictly final inspection prior to delivery.
| Main specification | |
| Standards: | GB, EN, DIN, GOST,JIS, AISI, SAE, ASTM/ASME, |
| Material | Carbon steel, Alloy steel |
| QA DOC | Chemical Composition Report, Mechanical Properties Report, UT Report, Heat Treatment Report, Dimensions Check Report |
| Max Weight | 50T |
| Delivery time | 30-90days |
| Certification: | ISO9001 |
| OEM AND ODM SERVICE ARE OFFERED | |
| Specifications of Forging: | ||
| Shape | Diameter(m) | Length(m) |
| Shaft | ≤2.5 | ≤15 |
| Block | ≤4.0 | / |
| Ring | ≤4.9 | ≤3.5 |
| Cylinder | ≤1.5 | ≤8.0 |
Product Description
1. Standard: DIN; GB, GOST, AISI, etc.
2. Certification: ISO9001, Form E, Form A, CO
3.Report: Material Report; Hardness Report; UT/MT Report; Dimensions checking report; Mechanical Property Test Report
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Diameter: |
≤2250mm; |
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Length: |
≤20,000mm; |
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Surface Finish: |
Ra0.8-1.6; |
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Technical: |
Casting, Forging; |
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Surface Hardness: |
As per different material; |
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Heat Treatment: |
Quenching and Tempering, |
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Shaft Diameter |
3, 4, 5, 6, 8, 10, 12, 13, 16, 20, 25, 30, 35, 40, 50, 60, 80, 100, 120, 150mm |
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Shaft Length |
100mm-6000mm |
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Hardness |
HRC58-64 |
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Tolerance rating |
ABEC-1,ABEC-3,ABEC-5 |
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Vibration rating |
V1,V2,V3 |
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Noise rating |
Z1,Z2,Z3 |
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Process method |
Turning, broaching, hobbing, slotting, drilling, milling |
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Material |
Gcr15, 40Cr, 45# Steel |
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Accuracy |
g6 h6 |
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Surface treatment |
Anodizing, Plating, Powder Coating, Polishing, Blackened, Hardened, Lasering, Engraving,etc. |
Industrial steel forging gear driving spline shaft or spindle
Product Description
| Description | Industrial steel forging gear driving spline shaft or spindle |
| Process |
Open Die Forging Closed Die Forging Ring Forging and CNC machining |
| Material Grade | ASTM 4140 Steel; Carbon Steel; Alloy steel; 304 Stainless steel |
| Weight Range | 2kg-10 000kg |
| Standard | ANSI, ASTM Y14.100, DIN, JIS, BS |
| Heat treatment | Quenching+ tempering |
| Surface treatment | Galvanization or chrome plating |
| Finish | Diameter area Ra1.6 |
| Application driving shaft | Mine equipment,Petrochemical industry,Vessel,Diesel engine, Aircraft, Armament,Nuclear power,Thermal power,Hydro EPT etc. |
Casting Service:
Casting is a manufacturing process in which a liquid material is usually poured into a mold, which contains a hollow cavity of the desired shape, and then allowed to solidify.
New Densen offers multiple investment casting, sand casting, permanent casting, die casting, low pressure casting, ESR casting, lost foam casting, etc. Material can be handled include steel, iron, non-ferrous. Single component weight range is from 0.01Kg to 150 tons separately.
Forging Service:
Forging is a manufacturing process involving the shaping of metal using localized compressive forces. New Densen offers open die forging, closed die forging and ring forging services. Material can be steel, iron and non-ferrous. Material can be handled include steel, iron, non-ferrous. Single component weight range is from 0.1Kg to 50,000Kgs.
Stamping Service:
Stamping (also known as punching) is the process of placing flat sheet metal in either blank or coil form into a stamping press where a tool and die surface forms the metal into a net shape.
New Densen-XBL has more than 60 sets stamping equipments, is the designed supplier for several famous bands automotive companies, has the full ability to offer whole processes from blanking, stamping, welding, to electrostatic spraying for worldwide customers.
Welding & Fabrication Service:
Welding Frabrication is the fabrication process of metal structures by cutting, bending, then assembling the components together through welding
New Densen offers manual arc welding ,laser welding and robot welding etc. UT, MPT,RT,PT all are available used for inspection, WPS &PQR (Welding Process Specification& Procedure Qualification Records) before production is available under clients’ requirement.
Shaft Forgings and Forged Shafts Manufacturers
The shaft is a cylindrical object worn in the middle of a bearing, wheel, or gear, which is mainly used to support transmission parts, transmit torque and bear loads.
As a leading forged shafts manufacturer, we have professional and advanced equipment to satisfy every customer that we can supply with forged steel shaft with max diameter of 2500mm and max length of 15000mm. In additional, we can manufacture gearshaft in mass with our advantaged large module gear hobbing machine, plus our strict production arrangements and follow-up to ensure that every order can be delivered on time, and when customers have an urgent order, we can arrange the production according to the customer’s demand date.
PRM can provide one-stop solution producing varieties of forging shaft from different types of materials.
| Product name | Forging DIN42CrMo4 alloy steel pinion shaft for industrial gearbox |
| Max OD | up to 2500mm |
| Max Length | up to 8000mm |
| Product quality | Ra0.4, Ra0.8 and Ra1.6 with grinding( ISO5, 6, 7) |
| Related product and service | Gear wheel: spur gear, helical gear, internal gear,herringbone gear, bevel gear, worm and worm gear, pinion, gear rim; Shaft: gear shaft, pinion shaft, spline shaft, flange shaft, step shaft, threaded shaft; Industrial gearbox:gearbox design, manufacture, repair and maintain/upgrade/on-site inspect/mapping and spare parts service; Casting, forging, welding, machining; Mining parts: steel ball, linear, end cover, hammer, rotary kiln tyre, support roller, hosing and etc |
| Material |
as per drawing, also recommend the upgraded material, common material(ISO or EN standard): QT: C45(1.0503), 34CrMo4(1.7220), 42CrMo4(1.7225), 36CrNiMo4(1.6511), 31CrNiMo8(1.6580), 34CrNiMo6(1.6582),41CrAIMo74(GB38CrMoAi) Carburizing: 18CrNiMo7(1.6587), 16MnCr5(1.7131) |
| Standard | as per drawing and techanical requirement, GB, EN, DIN, ASTM, GOST, JIS,BS, SS, CSN, ISO |
| Produce process | forging, casting, welding, heat treatment, turning, gear cutting, milling, drilling, machining, CNC machining, grinding |
| Heat treatment | QT, Carburizing, nitriding, tooth surface quenching |
| Inspection | Material chemical composition test,Dimension and visual inspect, hardness test,Ultrasonic inspection,Surface roughness test, mechanical property test, three coordiates test, Magnetic particle test |
| Application | Mining, consturction, cement, rolling,metallurgy, power, general engineering and etc. |
Technical parameters:
| Material | Alloy steel,Carbon steel,Carburizing steel,Quenched and tempered steel |
| Heat treatment | Normalizing,Annealing,Quenching&Tempering, Surface Quenching,Case hardening |
| Machining | CNC Turning,CNC Milling,CNC Boring,CNC Grinding,CNC Drilling |
| Gear Machining | Gear Hobbing,Gear Milling,CNC Gear Milling,Gear Cutting, EPT gear cutting,Gear Cutting |
| Inspection | Chemical Composition Test,Ultrasonic Test,Penetration Test,Radiographic Test,Magnetic Test,Tensile Strength Test,Impact Test,Hardness Test,Dimension Test |
| Module of Gear | 8-120 |
| Gear Grinding | MAX. Module 24 |
| Diameter of Shaft: | MAX. 2 200mm |
| Length of Shaft | MAX. 13 000mm |
| Diameter of Gear Wheel | MAX.13 000 mm |
| Diameter of EPT Gear | MAX. 2 200 mm |
| Length of Gear Shaft | MAX. 5 000 mm |
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rging Parts: |
high precision machined steel shaft |
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Materials: |
Alloy Steel like, 42CrMo, 18CrNiMo7-6, 17CrNiMo6, 40CrNiMo, 42CrMo4, 40Cr, 35CrMo, 20CrMnMo, 45#, 38CrMoAlA, 34CrNiMo6, 35#; Carbon Steel; Stainless Steel or other materials required by the customer. |
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Dimension: |
As request |
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Weight: |
0.5 kg ~ 2000 kg |
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Application: |
Transmission parts in the gearbox or other usage |
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Inspection: |
Chemical composition; UT; MT; Mechanical property; Dimension inspection; CMM test; other inspection request by the customer. |
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Diameter |
Φ50- Φ5000mm
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Heat treatment: |
Normalized; Annealed; Quenched; Tempered; Others. |
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Q.C. Doc.: |
Chemical composition report; Mechanical properties report; UT test report; Heat treatment report; Dimensions check report; CMM testing report; or other reports as the customer’s request. |
Company introduction
HangZhou EPT Engineering CO.,LTD is a manufacture of bearings, worm drivers, slewing bearings, gears, shaft and engineering parts. EPT bearings, worm drivers, slewing bearings, gears, shafts prove every day to be important structural and connection elements, they can be widely used in the lifting&transport machinery, mining machinery, construction machinery, port hoisting machinery, port oil transfer equipment, onshore and offshore crane, excavator, concrete machine, paper machine, plastic and rubber machine, weave machine, cement plant, steel plant, EPT power plant, wind power generator, other construction and industry machines or equipment and other large rotary devices.
The products made by EPT Engineering Co are mainly exported to the countries of the European Union, USA, the Middle East, the South American, the Africa, Austrilian and Asia areas and the Russian Federation, in the process of cooperation with our customers, we have made it a principle to establish a lasting and rewarding partnership with our customers by providing efficient service with the top quality and minimizing the production cost.
Xihu (West Lake) Dis.g for consistent commitment to the quality of products and customer service, EPT Engineering attaches great importance to research and development to ensure better product quality and service from its establishment. The quality of EPT products are based on the excellent specialist and technical level of constructors and technicians, highly qualified operators, experiences production workers.
The company name: HangZhou EPT Engineering Co.,ltd
Address: No 3 Lianmeng Road, Xihu (West Lake) Dis. Area, HangZhou City, ZheJiang Province, China
Website:
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The use of original equipment manufacturer’s (OEM) part numbers or trademarks , e.g. CASE® and John Deere® are for reference purposes only and for indicating product use and compatibility. Our company and the listed EPT parts contained herein are not sponsored, approved, or manufactured by the OEM.
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