{"id":208,"date":"2014-06-10T08:58:48","date_gmt":"2014-06-10T13:58:48","guid":{"rendered":"http:\/\/blog.misumiusa.com\/?p=208"},"modified":"2021-11-02T17:05:08","modified_gmt":"2021-11-02T22:05:08","slug":"lead-screws-vs-ball-screws-differences-benefits-accuracy","status":"publish","type":"post","link":"https:\/\/us.misumi-ec.com\/blog\/lead-screws-vs-ball-screws-differences-benefits-accuracy\/","title":{"rendered":"Lead Screws vs. Ball Screws"},"content":{"rendered":"

Confused about the difference between lead screws<\/a>\u00a0and ball screws<\/a> and when you should use each? You\u2019re not the only one – if only we could count the number of times we\u2019ve heard this question…<\/p>\n

We asked industry experts the most common questions regarding the differences between these two machine components and their usability to help our customers and their teams make the best choices for their projects.<\/p>\n

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\n<\/a>Ball Screw image from ThomasNet
\n<\/a><\/p>\n

Q: Why is the difference between lead screws and ball screws so important?<\/strong>
\nA: First and foremost, it comes down to mechanics. Even though both types of screws are mechanical linear actuators and can be used in seemingly similar situations, each project engineer needs to consider the back drive, backlash, thrust, speed, lead accuracy, and efficiency required for the mechanism.<\/p>\n

Ball screws get their name from the ball bearings that minimize friction and optimize efficiency, while lead screws use sliding surfaces for high friction.<\/p>\n

Q: What are the benefits and uses of lead screws and ball screws?<\/strong>
\nA: Lead screws are quiet, smooth, resistant to corrosion, self-lubricating, and often less expensive. They\u2019re favored in situations that require higher levels of customization. Because lead screws are\u00a0virtually silent and vibration-free, they\u2019re often used for medical equipment like insulin pumps and in personal computing devices like desktop PCs.<\/p>\n

Ball screws, though nosier, can carry heavier loads than their lead screw counterparts, don\u2019t self-lock, aren\u2019t as rigid as lead screws, and tend to offer significantly higher efficiency, precision, and accuracy. Ball screws are\u00a0commonly used in aircraft, power steering, robots, and semiconductors.<\/p>\n

Q: What are the different requirements for moving and stopping between lead screws and ball screws?<\/strong><\/p>\n

A: Because lead screws are self-locking, there\u2019s typically no need to apply additional brakes, even in situations where you\u2019re lifting a vertical load during an electricity outage. However, the higher the friction is on the sliding surface, the more power is required to drive the load up or forward.<\/p>\n

Ball screws can turn straight motion into rotational motion, and vice versa. Because they have ball bearings that reduce friction, less motor power is usually required to drive them.<\/p>\n

Q: What are the top factors an engineer should consider when choosing between a lead screw and a ball screw?<\/strong>
\nA: Choosing between a lead screw and a ball screw is relative and will likely depend on the application.\u00a0 For example, on a vertical application, it may be more beneficial to use a lead screw than a ball screw, as the lead screw cannot back drive itself.\u00a0 However, in a horizontal orientation, where no external force is being exerted on to application, it would be beneficial to use a ball screw because you don\u2019t have to worry about it being back driven by gravity.<\/p>\n

Have more questions on the differences and applications of\u00a0lead screws<\/a>\u00a0and\u00a0ball screws<\/a>? Feel free to leave questions and comments below, or call a product specialist at 800-681-7475!<\/p>\n","protected":false},"excerpt":{"rendered":"

Confused about the difference between lead screws\u00a0and ball screws and when you should use each? You\u2019re not the only one – if only we could count the number of times we\u2019ve heard this question… We asked industry experts the most common questions regarding the differences between these two machine components and their usability to help our customers and their teams […]<\/p>\n","protected":false},"author":46,"featured_media":9923,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false},"categories":[1136],"tags":[25,26,49,314],"aioseo_notices":[],"gutentor_comment":4,"_links":{"self":[{"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/posts\/208"}],"collection":[{"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/users\/46"}],"replies":[{"embeddable":true,"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/comments?post=208"}],"version-history":[{"count":5,"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/posts\/208\/revisions"}],"predecessor-version":[{"id":9925,"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/posts\/208\/revisions\/9925"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/media\/9923"}],"wp:attachment":[{"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/media?parent=208"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/categories?post=208"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/tags?post=208"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}