Sheet hold-down - Chief Delphi

11-02-2016, 22:38

jkelleyrtp jkelleyrtp is offline

Let's just build a robot

AKA: Jon Kelley

FRC #5511 (Cortechs Robotics)

Team Role: Mechanical

Join Date: Jul 2015

Rookie Year: 2014

Location: Apex, NC

Posts: 121

jkelleyrtp is a glorious beacon of light

Sheet hold-down

I'm curious how everybody who uses a CNC router holds down their larger sheets. We have a 24x36 on our table but the MDF spoilboard has been warping due to wd-40 spraydowns and the metal itself warps as it cuts. On lower-end machines, it causes an increases chipload and therefore lost steps. I've planed this table down several times and am considering getting into vacuum hold downs, but I hear they don't play well with coolant. What do you use?

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Cortechs Robotics 2014-Present
Mechanical, CAD

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