Product Details
Max 50T mill ring girth gear cement kiln cast steel girth gear and
spur gear
Rotary kiln spur girth gear used as the actual mechanical part in
an engine, which need to drive for the long time rotation, so the
quality of the gear will be required very high in the actual
manufacture.
Our company can produce different type gear ring accroding to the
customer's drawing and requirments.
| girth gear andand spur gear |
| Carbon steel,Alloy steel,42CrMo,35CrMo,34CrNiMo6 |
| |
| |
| Spur gear,double helical gear,helical gear,horringbone Gear |
| |
| Forging, rough machining, QT, finish machining |
| |
| Raw material inspection, UT,physical property test,dimension
inspect |
| |
Product Advantages
- Heavy load capacity,long lifespan.
- High precision,large diameter and module
- Support welding
item | description |
normal materials | 45 steel, 35simn |
better materials | 35crmo, 42crmo |
42CRMO STEEL DATA
化学成份 CHEMICAL LIST
编辑
碳 C :0.38~0.45%
硅 Si:0.17~0.37%
锰 Mn:0.50~0.80%
硫 S :允许残余含量≤0.035%
磷 P :允许残余含量≤0.035%
铬 Cr:0.90~1.20%
镍 Ni:允许残余含量≤0.030%
铜 Cu:允许残余含量≤0.030%
钼 Mo:0.15~0.25% [1]
力学性能 MECHANICAL DATA
编辑
抗拉强度 σb (MPa):≥1080(110)
屈服强度 σs (MPa):≥930(95)
伸长率 δ5 (%):≥12
断面收缩率 ψ (%):≥45
冲击功 Akv (J):≥63
冲击韧性值 αkv (J/cm2):≥78(8)
硬度 :≤217HB [1]
试样尺寸:试样毛坯尺寸为 25mm
物理性能 PHYSICAL DATA
编辑
1)临界点温度(近似值) Critical point temperature (approximate value)
:Ac1=730°C,Ac3=800°C,Ms=310°C.
2)线胀系数:温度 Linear expansion coefficient: temperature
20~100°C/20~200°C/20~300°C /20 ~400°C/20~500°C /20~600°C,线胀系数
linear expansivity:
11.1×10K/12.1×10K/12.9×10K/13.5×10K/13.9×10K14.1×10K.
3)弹性模量:温度 Modulus of elasticity: temperature
20°C/300°C/400°C/500°C/600°C,
弹性摸 Elastic modulus 210000MPa/185000MPa/
175000MPa/165000MPa/15500oMPa
girth gear for ball mill and rotary kiln pictures
item | remark |
normal materials | 45 steel, 35simn steel |
better materials | 35cromo, 42crmo |
compny show
Company Profile
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 standard plant
covering 80,000 square meters, ZTIC possesses advanced equipments,
technologies and detecting methods. After more than 30 years
development, the company has developed into a collectivized one
with product designing, manufacture, installation and technical
services as a whole. The products comprise all the equipments used
in mining, cement, metallurgy, construction as well as the related
accessories with high power reducer and large-sized castings &
forgings, etc.

ZTIC has acquired ISO 9001:2008 Certification of conformity of
Management System Certification, Mine Product Safety
Authentication, Recognition for BV Mode Ⅱ Survey Scheme in France,
Mining Electrical Equipment KY Certification, etc.
The company has also acquired "Fully Quality Management Achievement
Award", "Top 50 Enterprises", "Henan Outstanding Innovative
Enterprise” and “The Most Powerful Enterprises of Henan" in 2010.

Quality product performance and good reputation, our products have
been exported to mnay countries and regions in the world,
including: Russia, Serbia, Australia, Mongolia, Indonesia,
Bangladesh and other countries, the products are subject to a great
welcome and praise.
