Industrial Design

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Slim linear guide for precise lab automation stage
Industrial Design
I’m designing a compact linear stage for a lab automation setup, used to move a microplate (about 300 grams) precisely along a 150 mm travel. The system needs to achieve repeatability under ±0.05 mm... read more
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211
Sep 02
Advice on plastic insert gripping an inner rotating tube
Industrial Design
Hello, I'm designing a plastic coupling sleeve to mount an aluminum shaft (20 mm OD) from the inside. The sleeve needs to grip the shaft firmly enough to transmit rotational torque from a small... read more
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215
Aug 21
O-ring seal design for removable marine sensor housing
Industrial Design
Hi! My project is a small-scale marine sensor housing; it needs to stay functional when briefly submerged (around 0.5 m depth) or exposed to heavy splashes on a boat deck. I’m using a machined... read more
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626
Aug 22
Compact two-axis rotation without U-joints?
Industrial Design
Hi all! I’m building a compact gimbal for a sensor head that needs to rotate around two perpendicular axes (pan and tilt). I’m trying to stay away from standard U-joints — they take up... read more
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Aug 14
SLA wall thickness issue for microfluidic channels
Industrial Design
Hi, I created a 3D design for a small microfluidic part using SLA (Clear Resin) with internal channels ~0.4 mm wide and wall thickness around 0.5 mm. The function relies on optical inspection through... read more
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295
Jul 29
Embossed vs. engraved text for outdoor molded parts
Industrial Design
Hi there, I need to add a part number and recycling symbol on the surface of molded parts in PP GF20 for outdoor use. I initially planned to use engraved text for aesthetic reasons,... read more
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464
Aug 08
Minimum hole diameter vs sheet thickness 316L
Industrial Design
Hello, I would like to produce a stainless steel 316L bracket, 3 mm thick, cut by fiber laser. I need to include several small holes for drainage and fastening, and I’ve heard there might... read more
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513
Aug 01
Ejector pin placement near snap-fit
Industrial Design
I’m working on a small injection-molded housing for an automotive sensor, using PA6 GF30. There are two snap-fit arms inside (cantilever type), about 2 mm-thick walls. I’m not sure where to place the ejector... read more
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648
Jul 18
Adding countersinks to formed stainless sheet metal
Industrial Design
Hello, I'm working on a sheet metal enclosure (as in the image) that requires flush mounting for M6 countersunk screws. I need to add a countersink on a few holes, but the part is... read more
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442
Jul 03
Fastener size choice for a through-hole in 4 mm anodized aluminum plate
Industrial Design
Hi! Designing a lightweight enclosure for a small UAV component, using 4 mm thick anodized aluminum sheets. For the assembly, I need to fasten this plate to a 3D-printed ABS bracket underneath, which acts as... read more
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Jun 30

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