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 | Mill Girth Gear Pinion Gear |
| Material | GS42CrMo4 Alloy Steel |
| Application | Rotary kiln, ball mill |
| Module range | 10 Module to 70 Module |
| Classification | Mill Girth Gear |
| Minimum diameters | 100 mm to 15000 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 | Mill Girth Gear Pinion Gear | Material | GS42CrMo4 Alloy Steel |
| Application | Rotary kiln, ball mill | Module range | 10 Module to 70 Module |
| Classification | Mill Girth Gear | Minimum diameters | 100 mm to 15000 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 | Mining Equipment Mill Girth Gear ，10 Module Mill Girth Gear ，Ball Mill Spare Part Pinion Gear | ||
Mining Equipment Of Ball Mill Spare Part Ball Mill Girth Gear Pinion 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.
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. Large ring gear manufacturing process
Rough:
Steel casting blank is provided by CITIC Heavy Machinery Co., Ltd. Heavy Forging plant, run by GB11352-89 standard specifies requirements for modeling according to the casting process, smelting, casting, hit boxes, cleaning, dressing castings;. During inspection and acceptance by the drawings and Technical requirements for steel blank
Checks, according JB/T6402-92 standards issued after acceptance
Down procedure.
Roughing:
Crossed by drawing and stay out allowance, alignment, connection, processing both inside and outside the circle, combining face milling, drilling and other processes.
Exploration injury:
Overall ultrasonic flaw detection, internal quality should meet the two requirements of GB7233-87 standards.
Normalizing pretreatment:
Semi-ring pairs normalizing and tempering treatment, provide a good organization for subsequent surface hardening; press drawings deformation of the half ring gear inspection after heat treatment.
Machining:
First two and a half ring is made with high strength bolts connecting the ring as a whole, the overall process by drawing a circle Quannei Wai teeth and upper and lower end, and then drawing and machining milling process requirements.
Elimination of processing stress:
The overall ring annealed to eliminate stress.
Overall ring surface hardening:
IF along the alveolar tooth surface induction hardening, hardness HRC50 ~ 55, effective hardened layer depth 3 ~ 5mm.
Final inspection:
First, the detection frequency quenching, the hardness after tempering ring gear cogging meets the requirements of the drawings; Secondly, to detect whether the maximum outer diameter larger size D6944 as the deformation 3mm, the mechanical correction required until qualified; Thirdly, tooth and fillet magnetic particle inspection, quality should meet two requirements GB/T9444-88 standard requirements; Finally, according to the drawings and technical requirements for final inspection.
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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