91麻豆国产福利品精_高潮歹无毛免费观看视频_亚欧一区不卡久久_日日夜视频_蜜月国产免费福利片_精品国产伦一区二区三区_HDXXXX国产XXXX_国产亚洲色婷婷久久精品_欧美成人wwe在线播放_夜夜草sp

產(chǎn)品中心

SCREW AND BARREL FOR SCREWING MACHINE

HONGTUO SCREW
Product introduction Parameter configuration

宏拓螺桿四折頁2日最終版本_01_03.png


The screw and barrel for screwing machine are applied to remove moisture from cleaned  film and woven bags,etc.

Product model of the screwing machine is 300、320、350、380.



RAW MATERIAL AND HARDENING REQUIREMENTS

Material：

38CrMoAIA (1.8509)，42CrMo，41CrAlMo7；Stainless steel 316，316L，316Ti，9Cr18Mo,9Cr18MoV ,Hastelloy C276,C4, M2,SKD61, (H13) SKD11 (D2),K110, Inconel 625

Heat treatment method: Nitriding treatment,Surface hardness: HV≥900[HRC≥68].Nitriding depth: 0.6-0.8mm.

Surface coating treatment, Depth: 0.02-0.15mm.

High-frequency quenching treatment, overall hardening.Hardness(HRC): 55-65

Bimetallic screw and barrel series: Iron-based alloy(HT2TJ). Hardness(HRC) : 58-60 Nickel base alloy(HT6NJ).Hardness(HRC):53-56 lron-based alloy with tungsten, carbide(HT3W). Hardness(HRC):58-60 Nickel base alloy with tungsten carbide(HT5JW).Hardness(HRC):55-58 Superhard alloy(HT9TT).Hardness(HRC):62-65


宏拓螺桿.png

1.png



PROCESSING

Nitride screw processing：Book material → Heat treatment(quenching and tempering) → Rough machining → Heat treatment(setting) → Finishing machining → Rough milling → Heat treatment(Nitride hardening) → Finishing milling → Inspection → Delivery.

Bimetallic screw processing：Book material → Heat treatment (quenching and tempering) → Rough machining → Heat treatment(setting) → Finishing machining → Flight spray and melt bimetallic alloy → Rough milling → Inspection → Heat treatment(Nitride hardening) → Finishing milling → Inspection → Delivery

Nitride barrel processing：Book material → Rough machining (inner diameter) → Heat treatment(quenching and tempering) → Finishing machining → Rough miling → Heat treatment (Nitride hardening) → Finishing milling → Inspection → Delivery.

Bimetallic barrel processing：Book material → Rough machining(inner diameter) → Bimetallic alloy casting(inner diameter) → Finishing machining → Finishing milling → Inspection → Delivery.


宏拓螺桿四折頁2日最終版本_00_03.png


The screw and barrel for screwing machine are applied to remove moisture from cleaned film and woven bags,etc.

Product model of the screwing machine is 300、320、350、380.