Backlash in drilling machines refers to the slight play or looseness between moving components usually within gears or screw threads that results in a delay or lack of movement when the direction of motion is reversed. This gap causes the drill or machine axis to shift slightly before responding to the new input, leading to reduced positioning accuracy(Wilson, 2023).
More so, backlash is the lost motion or play between mechanical parts commonly in gear- or screw-driven systems that becomes noticeable when reversing movement. It can compromise drilling precision, especially in operations requiring tight tolerances.
To maintain accuracy, operators often measure this slack with dial indicators and apply compensation through the machine’s control system. Proper management of backlash is essential for ensuring part quality and consistent machining performance(Hodge, 2018).
You’ve just reversed the feed on your drill press, but the quill hasn’t moved yet. That’s backlash. We know it leads to scrapped parts, but what preventative maintenance schedule do you find most effective for keeping feed mechanisms tight? Share your tips!
Reference:
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Hodge, E. (2018, January 2). WHAT IS BACKLASH AND HOW TO CORRECT IT. MachMotion. https://machmotion.com/blog/what-is-backlash-and-how-to-correct-it/
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Wilson, C. (2023, February 27). Backlash & Machining: What Is It and How to Correct It. Lathe Matters. https://www.lathematters.com/backlash-machining/
