Merchandise Description
Substantial Good quality Casting Large Girth Gear for ball mill/rotary kiln
Procedure:
Forging/Casting
Normalizing&Tempering-Proof Machinnig
Quenching&Tempering
Finish Machining(Teeth Grinding)
We can offer you in various process conditions Solutions for Many End Markets and Applications
–Mining
–Metallurgy
–Power Generation
–Cement Plant
–Port Machinery
–Oil and all-natural
–Paper creating
–OEM gear case
–General Industrial
| Specification | Machining Scope |
| Size | OD Max 16m |
| One particular Piece of Equipment: OD Max 13m | |
| Assemble Gear: According to drawings | |
| Hobbing Modulus | ten-sixty |
| Milling Modulus | Up to one hundred twenty |
| Spiral Modulus | one-fifteen |
| Accuracy Grade | Milling: 6 grade |
| Hobbing: 8 quality | |
| Material | Alloy metal: 42CrMo4, 34CrNiMo6 and so on. |
| Carbon steel: C45E, 1030 | |
| Carburizing steel | |
| Quenched and tempered metal | |
| Heat treatment method | Quenching & Tempering, Surface Quenching |
| Tooth Profile | Spur, Helical, Herringbone, Crown, Spiral, Worm and shaft |
Inspection and Test Outline of Girth Gear:
| No. | Merchandise | Inspection Area | Acceptance Criteria | Inspection Stage | Certificates |
| one | 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 |
| twelve | Packing Inspection | Whole Body | Agreed Packing Form | During Packing | Photos |
Testing Process:
· QA DOC: Chemical Composition Report, Mechanical Properties Report, UT Report, Heat Treatment Report, Dimensions Check Report
· The data on chemical composition report and mechanical properties report are approved by third party, HangZhou Ship Material Research Institute, CSIC.
· UT test: 100% ultrasonic test according to EN15718-3, SA388, Sep 1921 C/c etc.
· Heat Treatment Report: provide original copy of heat treatment curve/time table.
Our business appearance:
Why Pick us?
one.Pre-sale companies: enthusiasm
We supply you with the prophase plan, method movement design and manufacturer equipment according to your special need.
two.a single-calendar year guarantee to make certain your machine operates consistently.
We usually giving lifelong companies and give spare elements for a long phrase,and mend principal elements beneath proper making use of for cost-free in one years.
3.Technical solutions
3.1 Style of production line and options in accordance to buyer’s prerequisite.
3.2 In 7 days soon after the receipt of deposit, the seller shall provide associated specialized files for gear set up, in addition to these with special requirements.
3.3 Ahead of shipping and delivery, the vendor can modify the earlier options according to buyer’s requirement.
4.After-product sales provider
4.1 In the course of the installation and commissioning, the vendor shall send out technician to the website for instruction of installation and commissioning, and for coaching of workers.
four.2 If there is any gear failure induced by the consumer, the seller shall support the upkeep of machines and substitution of fittings, and charges suitable charges.
four.3 Beyond the promise period, the seller can supply services and fittings at a most preferential cost.
four.4The seller can give consultation and inspection solutions freely for other merchandise, especially for the up-stream and down-stream items of our gear.
The goal behind the rack is to transform rotational motion into linear movement, the rack runs by means of a pinion (a cylindrical gear that meshes with the rack), so this set up is frequently referred to as a rack and pinion. When operating gears and racks, gear oil is also extremely suggested to enhance performance and longevity. We also stock a vast assortment of metric spur gears and offer almost every single power transmission item on the industry
Earlier we mentioned that when two gears mesh, the scaled-down one particular is called the pinion. A rack is a straight bar with gear enamel that meshes with the pinion. So you can probably envision how rack and pinion gears are utilized to convert rotation into linear movement. A ideal example of this is the steering technique on many automobiles. The steering wheel rotates a equipment, which engages the rack. As the gear turns, it slides the rack either to the proper or left, relying on which way you switch the wheel.
