yy6080新视觉观影理论,日韩精品有码视频无码视频,国产乱人伦偷精品视频免下载

qq头像女部位胸前高清,欧洲无人区天空码头IV在哪,亚洲中文字幕aⅴ天堂自拍,白洁少妇无删全文免费下载,化橘红的功效和作用

^{<blockquote id="pli5y"></blockquote>}

Manufacturing premium Kenbo brand Specializing in products such as full rotation full casing, rotary excavation full casing, etc

Strive for excellence in quality Integrating research and development, production, sales, and service

Strong technical strength A sound quality assurance system and a complete testing system

DOWN

Casing joint set

Casing joint

Casing joint set

Material: Made of 25CrMo forgings (heat treatment, digital multi axis precision machining, high-frequency quenching and tempering), in accordance with the standard GB/T3077-1999. Size: The tolerance of the sleeve joint for machining ovality is ≤ 0.5mm.

+86-13585000194

Product Details

Texture of material

Production of 25CrMo forgings (heat treatment, digital multi axis precision machining, high-frequency quenching and tempering), in accordance with the standard GB/T3077-1999.

Perform flaw detection on the blank of the casing joint and issue a flaw detection report.

Technical parameter

Specifications	Work level	Number of screws	Number of Keyways
Ø980*50mm	700 mm	12	6
Ø1180*50mm	700 mm	12	6
Ø1280*50mm	700 mm	12	6
Ø1380*50mm	700 mm	12	6
Ø1480*50mm	700 mm	16	4
Ø1800*50mm	700 mm	20	5
Ø1980*50mm	700 mm	20	5
Ø2200*60mm	700 mm	20	5
Ø2400*60mm	700 mm	24	6
Ø2600*60mm	740 mm	24	6
Ø2800*60mm	740 mm	32	8
Ø3000*70mm	740 mm	32	8
Ø3200*70mm	740 mm	32	8
Ø3500*75mm	740 mm	40	10