Belt for KH-7050 (Redsail Clone)

Hardware settings, adjustments and fixes and other hardware discussion. This includes the "doHICky" Laser Power measurement system by Russ.
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Andy Hawkins
Posts: 1
Joined: Fri Nov 02, 2018
Location: London
Country: United Kingdom
Nickname: beardedfool
Laser Machine Make or Type: KH7050 redsail clone
Laser Power: 60W
Laser Bed Size: 16x30
Home Position: TL
Control Software: RDWORKS
RDWorks Version: V6.037
Ruida Controller: Other
Windows Version: 10

Hi all,

I was hoping someone had one of these lasers, I've just got a phone call that the y-axis belt has snapped (sounds like it was 'stapled' from the manufacuter and has done it's time) so I need to replace it.

I'm not there now and would be great to order one, believe it's a HTD 3M, but wondered if anyone had experience with that machine as I don't know the how the tensioning works..

Also, the pulley don't lend themselves to a continuous belt from memory (not 100%) so I'm guessing I need to join it so looking for advice there please.

Many thanks in advance.

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Doug Fisher
Posts: 206
Joined: Sat Aug 20, 2016
Location: Atlanta, Georgia
Country: USA
Laser Machine Make or Type: Ke Hui KH-7050
Laser Power: 80W EFR F2
Laser Bed Size: 700x500
Home Position: TR
Control Software: LIGHTBURN
RDWorks Version: v8.01.18 & 8.01.33
Ruida Controller: RDC6442
Windows Version: 10
Accessories: Ruida RDC6442G EC controller, 2" lens, S&A CW5000 chiller, chuck type of rotary attachment, Russ' DoHickey (sp?), mA meter, a growing collection of tools and oddities to keep it running!

Exactly which belt, located where and what length? I just went down and looked at long ones that drive the gantry in the y axis direction. Unfortunately, no labeling on either one.

Are you sure it snapped? Did you take a look to make sure one of the ends didn't just slip out of the clamping mechanism? You can look at the X axis ends to see how the clamping system works.
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