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High-temperature chemical pump housing in PEEK, tips on avoiding warpage?
Hi everyone, I'm working on a small pump housing for a chemical metering application. The part will be injection molded in PEEK, exposed to roughly 180 °C fluid and aggressive solvents. It's a compact... read more
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90
Sep 22
Adjustable brackets for 30 mm tubing – MJF PA12 vs CNC POM for strength and stability?
I’m developing a set of adjustable brackets to secure 30 mm diameter aluminum tubing in a display frame. Each bracket will have a split collar design with an M6 through-bolt for clamping and needs... read more
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156
Sep 19
Polyjet for clear wearable casings
Has anyone here used Polyjet for transparent consumer electronics casings? I’m designing a small wearable device that needs a clear front cover to show internal LEDs and sensors. I know polyjet can do translucent... read more
4
201
Sep 22
Reliable nylon for 3D-printed living hinges?
Hi, I’m designing snap-fit battery enclosures for a wearable device with living hinges that need to survive ~200 cycles without cracking. My unfilled nylon prints sometimes crack at the hinge line even after annealing.... read more
4
268
Sep 17
Estimate coating area in SolidWorks?
I’m designing a protective enclosure for an outdoor sensor unit in SolidWorks, and I need to estimate how much polyurethane coating I’ll need. When I use the Evaluate - Mass Properties tool, it seems... read more
1
282
Sep 16
Choosing material for high-temp, high-pressure reheater tubes
Hi everyone! I’m working on reheater tubes for an ultra-supercritical boiler operating around 700 °C and 28 MPa. I’m evaluating Inconel 617, 740H, Alloy 263, and Super 304H for their high-temp creep strength, oxidation resistance, and... read more
4
592
Sep 03
Slim linear guide for precise lab automation stage
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
1
668
Sep 02
Advice on plastic insert gripping an inner rotating tube
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
4
647
Aug 21
O-ring seal design for removable marine sensor housing
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
9
1.1k
Aug 22
Issues with polyurethane bonded rollers under load
Hi! Currently working on a small batch of U-groove guide rollers for a linear transfer system, and I'm using a soft polyurethane tread (around 85A Shore) bonded to aluminum hubs. The supplier estimates each... read more
4
603
Aug 19