Thomson 提供业内英制滚珠丝杠产品最广泛的选择。 我们提供大多数尺寸的多重配置,包括圆形或方形主体,多回路及负载选项,各种安装配置(法兰、螺纹、圆柱),高承载力选项,高速选项,负载锁定安全,预载选项及材料选项。
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Here at Thomson, we have customers who are frequently looking to replace worn ball screw assemblies but they don’t know what kind of assembly they have. I will show you how to identify your existing ball screw assembly…
Thomson丝杠产品工程师Jeff Johnson概述了滚珠丝杠的构造及其安装。他还提到了滚珠丝杠在应用设计中的功能,滚珠丝杠装置以及滚珠螺母的组成。该视频还展示了滚珠螺母是如何安装到丝杠上的,以及在安装过程中碰到一些轴承掉落又是如何插入滚珠轴承的。
Thomson丝杠产品工程师Jeff Johnson指出,滚珠丝杠和梯形丝杠有时可以用在同一个应用中。一般情况下,滚珠丝杠用在大负载或要求长寿命的工业应用中,而梯形丝杠则更适合小型、 低负载应用。然而梯形丝杠的定制性很强,可以快速更换导程、尺寸和螺母配置。选择丝杠技术时,成本通常不是首要考虑因素。观看这段视频,您将了解滚珠丝杠 和梯形丝杠的差别。
Lead Screws | 7691 KB | |
Lead Screws, Ball Screws and Ball Splines | 9296 KB |
Dynamic Load (Ball Screws)
Dynamic load rating is the maximum load which a ball bearing screw assembly can maintain for 1.0 million inches of travel (Inch Series) or 1.0 million revolutions (Metric Series).
Design Load (Lead Screws and Glide Screws™)
Maximum load at which a lead screw assembly should be operated. Not applicable for life calculations.
The nominal outside diameter of the screw shaft for a screw only. For a nut it is the nominal outside diameter of the mating screw.
The axial distance a nut travels from one revolution.
The direction of threads on a shaft or in a nut. Left hand means that the nut will move away if rotated counterclockwise. Right hand means the nut will move away if rotated clockwise.
The axial free motion between the nut and screw is called backlash. An Ant-backlash nut is designed to reduce or eliminate this movement.
Lead Screw
The lead screw assembly converts rotary motion to linear motion. The lead nut slides over the thread of the screw. Thomson lead screws excel in applications which require the “just right” solution.
Ball Screw
The ball screw assembly converts rotary motion to linear motion with recirculating ball bearings. Ball screws have a very low friction coefficient and is typically greater than 90% efficient.
Glide Screw™
Part linear bearing, part lead screw, the Glide Screw™ from Thomson combines the best features of these products into an easy to install, one-part solution.
This part number is not available for sale online but may still be available for sale. Click here to contact Thomson Customer Support.
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