Large Gear

Product Usage :
These precision engineered gears are widely demanded across varied industries, where large gear transmission is required.

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Mining Grinding
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High Power Reducer
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High-pressure Ball Press Machine

description

 With 30-year rich industry experience and knowledge, we have earned specialization in manufacturing and supplying superior quality Large Gears. These are fabricated in conformity with defined industry standards, these compact and sturdy gears have standard working speed and torque measurement. The offered range is widely acknowledged by the customers for features like optimum performance, robust construction and longer life. These precision engineered gears are widely demanded across varied industries, where large gear transmission is required.

Inspection and Test Outline of Girth Gear

No.

Item

Inspection Area

Acceptance Criteria

Inspection Stage

Certificates

1

Chemical Composition

Sample

Material Requirement

When Smelting

After Heat Treatment

Chemical Composition Report

2

Mechanical Properties

Sample(Test Bar on the Gear Body)

Technical Requirement

After Heat Treatment

Mechanical Properties Report

3

Heat Treatment

Whole Body

Manufacturing Standard

During Heat Treatment

Heat Treatment Report

Curves of Heat Treatment

4

Hardness Test

Tooth Surface, 3 Points Per 90°

Technical Requirement

After Heat Treatment

Hardness Teat Report

After Semi Finish Machining

5

Dimension Inspection

Whole Body

Drawing

After Semi Finish Machining

Dimension Inspection Report

Finish Machining

6

Magnetic Power Test (MT)

Tooth Surface

Agreed Standard

After Finish Gear Hobbing

MT  Report

7

UT

Spokes Parts

Agreed Standard

After Rough Machining

UT Report

After Welded

After Semi Finish Machining

8

PT

Defect Area

No Defect Indicated

After Digging

After Welded

PT Record

9

Mark Inspection

Whole Body

Manufacturing Standard

Final Inspection

Pictures

10

Appearance Inspection

Whole Body

CIC’s Requirement

Before Packing

(Final Inspection)

 

11

Anti-rust Inspection

Whole Body

Agreed Anti-rust Agent

Before Packing

Pictures

12

Packing Inspection

Whole Body

Agreed Packing Form

During Packing

Pictures

 Main Parameters for Gear Rings

No.

Item

Description

 

1

Diameter

≤15m

 

2

Module

≤45

 

3

Material

Cast Alloy Steel, Cast Carbon Steel, Forged Alloy Steel, Forged Carbon Steel

 

4

Structure From

Integrated, Half to Half, Four Pieces and More Pieces

 
 

5

Heat Treatment

Quenching & Tempering, Normalizing & Tempering, Carburizing & Quenching & Tempering

 
 

6

Tooth Form

Annular Gear, Outer Gear Ring

 

7

Standard

ISO, EN, DIN, AISI, ASTM, JIS, IS, GB

 

 

Facilities For Manufacturing Gear ring

No.

Item

Description

1

Smelting & Casting Capability

40t ,50t, 80t Series AC Electric Arc Furnace

2×150t, 60t LF Ladle Refining Furnace

150t, 60t Series VD/VOD Furnace

20×18m Large Pouring Facility

We can pour 900t refining liquid steel one time, and achieve vacuum poured 600t steel ingots.

We can produce the high quality steel of more than 260 steel grades as carbon steel,structural alloy steel and the structural steel, refractory steel and stainless steel of special requirement. The maximum weight of casting steel, gray casting, graphite cast iron and non-ferrous casting is 600t, 200t, 150t and 20t separately.

2

Forging Capability

The only one in the word, the most technologically advanced and the largest specification18500t Oil Press, equipped with 750t.m forging operation machine

 8400t Water Press

3150t Water Press

1600t Water Press

Φ5m High Precision Ring Mill ( WAGNER,Germany)

Φ12m High Precision Ring Mill

We can roll rings of different sections of carbon steel, alloy steel, high temperature alloy steel and non-ferrous alloys such as copper alloy, aluminum alloy and titanium alloy. Max. Diameter of rolled ring will be 12m.

3

Heat Treatment Capability

9×9×15m, 8×8×12m, 6×6×15m, 15×16×6.5m, 16×20×6m, 7×7×17m Series Heat Furnace and Heat Treatment Furnaces

φ2.0×30m, φ3.0×5.0m Series Heat Treatment Furnaces

φ5.0×2.5m, φ3.2×1.5m, φ3.0×5.0m, φ2.0×5m Series Carburizing Furnaces & Nitriding Furnaces & Quenching Bathes

φ2.0×30m Well Type CNC Electrical Furnaces

Φ3.0×5.0M Horizontal Gas Temperature-differential Furnace

Double-frequency and Double-position Quenching Lathe of Pinion Shaft

4

Machining Capability

1. ≥Ф5m CNC Heavy Duty Vertical Lathes

Ф12m CNC Double-column Vertical Lathe

Ф10m CNC Double-column Vertical Lathe

Ф10m CNC Single-column Vertical Lathe

Ф6.3m Heavy Duty Vertical Lathe

Ф5m CNC Heavy Duty Vertical Lathe 

2. ≥Ф5m Vertical Gear Hobbing Machines

Ф15m CNC Vertical Gear Hobbing Machine

Ф10m Gear Hobbing Machine

Ф8m Gear Hobbing Machine

Ф5m Gear Hobbing Machine

Ф3m Gear Hobbing Machining

3. Imported High-precision Gear Grinding Machines

Ф0.8m~Ф3.5m CNC Molding Gear Grinding Machines

4. Large Boring & Milling Machines

Ф220 CNC Floor-mounted Boring & Milling Machine

Ф200 CNC Floor-mounted Boring & Milling Machine

Ф160 CNC Floor-mounted Boring & Milling Machine

 


Facitilies for Gear Mahcining
 

Packing Pictures of the Gear