Luoyang Zhongtai Industries CO.,LTD
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 2000 Set/Sets per Year |
| Delivery Time | 1-2months |
| Packaging Details | Simple packaging for Rotary kiln Ring Gear |
| Name | Pionion Gear, Girth Gear |
| Material | GS42CrMo4 Alloy Steel |
| Applications | Rotary kiln, ball mill |
| Toothed face width（mm） | 1700 mm |
| Classification | Mill Girth Gear |
| Maximum diameter:（mm） | 16000 mm |
| Port | QingDao,ShangHai,TianJian |
| Warranty | 12 months |
| Brand Name | ZTIC |
| Model Number | Mill Girth Gear |
| Certification | ISO/CE |
| Place of Origin | Henan, China |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 2000 Set/Sets per Year |
| Delivery Time | 1-2months | Packaging Details | Simple packaging for Rotary kiln Ring Gear |
| Name | Pionion Gear, Girth Gear | Material | GS42CrMo4 Alloy Steel |
| Applications | Rotary kiln, ball mill | Toothed face width（mm） | 1700 mm |
| Classification | Mill Girth Gear | Maximum diameter:（mm） | 16000 mm |
| Port | QingDao,ShangHai,TianJian | Warranty | 12 months |
| Brand Name | ZTIC | Model Number | Mill Girth Gear |
| Certification | ISO/CE | Place of Origin | Henan, China |
| High Light | Cement Tyre Girth Gear ，Industrial Tyre Girth Gear ，Mill Casting Iron Gear | ||
Cement Industrial And Mill Girth Gear Tyre Girth Gear Casting Iron Gear
1. Girth Gears: Rotary kiln Girth Gear,ball mill Girth Gear
Girth Gears offered find extensive application in different industry sectors including in sponge iron plants, steel & cement industry, mining industry, wind mills as well as in other industry sectors. These are made available in module range of 10 Module to 70 Module and in minimum diameters of 100 mm to 15000 mm. Further, these comprise maximum weight of 70 MT single pieces. Here the range of hardened & ground gear boxes/gears comprise Worm gear boxes, Helical / Double helical gears/gearboxes, Helical-Bevel gearboxes, Planetary Gearboxes and others.
Mill Girth Gear
2. Product parameters of big ring for mill girth gear
| Item | Structural features | Processing measure | Test content |
| Girth Gear | (1)GS42CrMo4Alloy Steel (corporate proprietary standards) HB 220~240 (2)semi-structured, Y-Spoke | (1) outer steel refining (R-H argon and vacuum treatment) (4)rough hobbing, release time, repair the joint surface, then fine roll | (1)castings mechanical properties and chemical composition (internal standard) (2) roughing after sonic testing (3)semi-finishing, finishing after ultrasonic testing and magnetic particle inspection (4) tooth surface magnetic particle inspection, hardness test (5)tooth tolerance check (6) the factory assembly load test to check the accuracy of the size of gear |
3. The technical requirements of a large CITICIC Gear ring:
(1) Is pretreated before normalizing surface hardening treatment, the hardness should HB210 ~ 250; mechanical performance are the ultimate strength Rb 690MPa, yield stress Rs 490MPa, elongation D5 11%, reduction of area W 25% , impact toughness Ak 30J; teeth induction hardened, hardness HRC50 ~ 55; effective hardened layer depth 3 ~ 5mm.
(2) Overall ultrasonic flaw detection, internal quality should meet two requirements GB7233-87 standard requirements; tooth and fillet magnetic particle inspection, quality should meet two requirements GB/T9444-88 standards.
(3) Note the casting is not rounded R5 ~ R10.
(4) Tooth chamfer at both ends and 1 45b.5) by two and a half ring gear tooth width of each ring coupling along the edge of a whole ring made with high strength bolts, combined with the tooth surface must be at the bottom center.
Mill Girth Gear
4. Applications
Our girth gears are applied in the cement and minerals industries:
Various types of horizontal mills
Rotary dryers
Rotary kilns
Any other large gear ring application
5. Advantages of fabricated girth gears
The forged material structure excludes the risk of inclusions
Structure defects like gas holes, micro shrinkage, pin holes, hot tears, sand and slag inclusions are avoided
Hence, repair welding of the body structure and e.g. grinding of toothed areas is not required.
The fabricated manufacturing procedure excludes the need for patterns and risers
Rim material has higher hardness and higher strength than the material used for the underlying structure (i.e. web, gussets)
These features will reduce the lead time and costs. Fabricated manufacturing ensures a fast delivery.
This is especially beneficial in an emergency situation, where the existing gear rim is suffering from damage.
Mill Girth Gear
Company Details
Business Type:
Manufacturer
Year Established:
1981
Total Annual:
80 million-100 million
Employee Number:
500~1000
Ecer Certification：
Verified Supplier
Luoyang Zhongtai Industries Co., Ltd. The company was founded in 1981 and finished joint stock reform in 2005. There are eight subsidiaries and it's an independent legal entity with the qualifications of operating import & export trade. With a garden-like industrial park and modern st... Luoyang Zhongtai Industries Co., Ltd. The company was founded in 1981 and finished joint stock reform in 2005. There are eight subsidiaries and it's an independent legal entity with the qualifications of operating import & export trade. With a garden-like industrial park and modern st...
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