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
婷婷中文字幕综合在线| 永久黄网站色视频免费看| 精品久久久久久无码专区| 小妖精又紧又湿高潮h视频69| 日本丰满少妇裸体自慰| 国产精品福利一区二区| 男女裸体做爰视频高清| 久久天堂精品一区二区三区四区 | 一本一道久久综合久久| 无码av无码天堂资源网| 亚洲产国偷v产偷v自拍色戒| 精品福利视频一区二区三区| 日本亚洲国产一区二区三区| 全免费a级毛片免费看视频| 日韩精品一区二区三区中文9| 精品女同一区二区三区不卡| 蜜桃av噜噜噜一区二区三区| 男女性生活视频免费网站| 国产精品毛片一区二区三区| 在线成人影院国产av| 极品av一区二区三区| 精品国产一区二区三区色搞| 日韩欧美在线综合网另类| 久久天天躁狠狠躁夜夜不卡| 久久久久av综合网成人| 在厨房被c到高潮a毛片奶水| 国产放荡对白视频在线观看| 中字幕人妻一区二区三区| 东北妇女肥胖bbwbbwbbw| 天天综合亚洲色在线精品| 中国极品少妇videossexhd| 福利一区二区三区视频在线| 伊人狼人影院在线视频| 亚洲av狠狠爱一区二区三区| 精品日本一区二区三区| 色佬精品免费在线视频| 国语对白免费观看123| 免费久久99精品国产| 免费又黄又爽又色的视频| 国产熟妇另类久久久久| 草草浮力地址线路①屁屁影院|