国产精品激情,最近中文字幕大全在线电影视频,在线播放免费播放av片,人妻熟女一区二区三区app下载,久久久久久国产精品免费免费男同,欧美亚洲色综久久精品国产,久久天天躁狠狠躁夜夜2020一,国产又爽又粗又猛的视频,аⅴ资源天堂资源库在线,又大又粗又爽的少妇免费视频

About us

Contact Us

Add:No. 7 Chuangxin Road, Dongfeng Industrial Zone, Ouhai High tech Park, Wenzhou City, Zhejiang Province
Tel:+86 577 88902288 +86 577 88902388
+86 577 86009962
Fax:+86 577 86291687
Website:m.zkehm.com
E-mail:huixincd@126.com

Home>News > The characteristics of hard tooth surface reducersNews

The characteristics of hard tooth surface reducers

date:[2015-05-07]     pk_hits:

The gears of the hard tooth surface reducer are made of high-strength low-carbon alloy steel through carburization and quenching, with high tooth surface hardness. The gears are all processed using CNC grinding technology, with high accuracy, good contact, high transmission efficiency, smooth operation, and low noise; Small size, light weight, long service life, and high load-bearing capacity; Easy to disassemble and inspect, easy to install.

1. The priority number system is used for center distance, center height, and transmission ratio.

2. The gear parameters and structure of the hard tooth reducer have been optimized and designed by computer.

3. The gears are made of high-quality high-strength low-carbon alloy steel, which has been carburized, quenched, and ground. The tooth surface hardness is high, and the gear accuracy reaches the international standard level 6.

4. The hard tooth reducer has high transmission efficiency, low noise, and a load-bearing capacity that reached the world's advanced level in the 1990s.


Mobile website

Customer Service
Mr. Li:Click here to send me a message
九九久久自然熟的香蕉图片| 久久婷婷国产五月综合色| 一区二区三区在线免费av| 99久久婷婷国产精品网| 丰满少妇高潮惨叫久久久| 最新精品国偷自产在线| 无码av中文一区二区三区| 久久久精品国产sm调教网站| 国产主播一区二区三区在线观看| 久久99老妇伦国产熟女高清| 色综合久久五月天久久久| 亚洲综合天堂av网站在线观看| 在线观看国产自拍视频| 伊人久久大香线蕉av五月| 日本少妇高潮喷水xxxxxxx | 国内精品人妻无码久久久影院94| 亚洲一区二区欧美色妞影院 | 少妇性l交大片免费1一少| 国产精品自线一区二区三区| 在线精品无码字幕无码av| 久久久精品人妻一区二区三区| 亚洲精品永久在线观看| 久久国产精品岛国搬运工| 综合成人亚洲网友偷自拍| 一本到在线观看视频| 又色又爽又黄高潮的免费视频| 欧美激情内射喷水高潮| 538亚洲欧美国产日韩在线精品| 在线观看一区二区三区视频| 天堂资源中文网| 特黄做受又粗又长又大又硬| 国产精品成人99一区无码| 波多吉野一区二区三区av| 久久99精品久久只有精品| 久久精品国产亚洲av麻豆会员| 国产亚洲2021成人乱码| 日韩一区二区肥| 亚洲天堂免费成人av| 国语对白福利在线观看| 午夜福利试看120秒体验区| 97色偷偷色噜噜狠狠爱网站97|