GS42CrMo4 Alloy Cast Steel Customize Mill Girth Gear For Ball Mill
1. Introduction of mill girth gear customize ball mill gear ring
Luo Mine specializes in the production of CITIC Heavy Industry ball mill ring gear, Luo mine produced ball mill half gear specifically includes: mineral processing ball mill ring gear, cement ball mill ring gear, semi-self-grinding machine ring gear, raw material ball mill ring gear. And can be customized to other brands of ball mill gear ring.
GS42CrMo4 Alloy Cast Steel Gear
2. Introduction of big gear and small gear of mill girth gear
The gear is made of ZG35CrMo alloy cast steel with heat treatment hardness OF HB260 ~ 300. Pinion material is 17CrNiMo6, carburizing and hardening + grinding process, tooth surface hardness HRC57 ~ 61.
(1) Pinion gear
A. Vacuum arc smelting, ladle refining, vacuum degassing materials;
B. Forging in accordance with international standards, ultrasonic inspection forgings;
(2) Big gear
A. Casting adopts full ring riser technology;
B. Use the simulation program to determine the appropriate curing process, determine the appropriate size of the gate, slope and riser, improve casting quality, reduce defects and reduce costs;
C. Precision gear processing equipment, improve the accuracy and gear surface roughness;
D. Finite element analysis of structural stress and deflection deflection of large gear, so as to determine the shape modification of pinion;
E. When the big gear is processed on the machine tool, check the meshing of the pinion after finishing to ensure that the tooth shape and tooth direction of the two are completely consistent.
GS42CrMo4 Alloy Cast Steel Gear
3. Processing technology measures of mill girth gear customize ball mill gear ring and pinion
| The big gear ring | ⑴ GS42CrMo4 alloy cast steel (enterprise standard) HB 220 ~ 240 The half structure, Y type plate (3) Oblique tooth (4) Reasonable sealing and alignment structure | ⑴ Outside refining of molten steel furnace (argon blowing and R-H vacuum treatment) The special cold mold sand hanging technology is adopted to ensure the density of casting and tooth (3) Normalizing treatment (proprietary technology) to ensure tooth surface hardness (4) After rough hobbing, release aging, repair the joint surface, and then fine rolling ⑸ Homemade hob precision hobbing | ⑴ Mechanical properties and chemical composition of casting blank (internal control standard) The ultrasonic crack detection after rough machining ⑶ half finishing, finishing ultrasonic inspection and magnetic particle inspection (4) Tooth surface magnetic particle inspection, hardness inspection ⑸ Check tolerance of tooth profile ⑹ No-load test of general assembly before delivery, check the meshing accuracy of large and small gears |
| pinion | ⑴ 40CrMnMo alloy forged steel, hard tooth surface The spherical roller bearing (3) Two-way shaft structure | (1) Hydraulic press forging, ingot utilization rate ≤56% forging ratio ≥3 ⑵ Surface hardening (3) Special self-made grinding hob precision hobbing | ⑴ Mechanical properties and chemical composition of forging blank ⑵ Ultrasonic inspection after rough machining and half finishing machining The tooth surface magnetic particle inspection, hardness inspection (4) Tooth shape tolerance inspection ⑸ No-load test of general assembly before delivery, check meshing accuracy of big and small gears |
GS42CrMo4 Alloy Cast Steel Gear
GS42CrMo4 Alloy Cast Steel Gear
FQA
Q: Quality warranty?
A: Guarantee time: one year for main machinery. If something wrong we will provide the technical advice and find solution immediately. For those wearing parts we guarantee high quality parts for long-term supply.
Q: After sales service?
A: We can supply technical guide for machines running test and parts maintenance if end user needs.
After-sales service
LUOYANG ZHONGTAI INDUSTRIES able to provide:
1. ENGINEERED SPARES - DESIGN AND MANUFACTURING
2. LARGE VOLUME STEEL AND IRON CASTING FOUNDARIES
3. HUGE MACHINE SHOP CAPABILITIES
4. TRAINING PROGRAMMES
5. PREVENTATIVE MAINTENANCE PROGRAMS
6. PREVETATIVE MAINTENANCE SERVICES
7. COMPREHENSIVE MAINTENANCE PROGRAMS
