Industrial Design

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Thermal expansion modelling for a braced rectangular steel tank
Industrial Design
hi, for a welded steel coolant reservoir for a test stand - 4 m × 2 m × 1.5 m with internal bracing I need to account for thermal expansion. Fluid runs at 80–90... read more
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Dec 22
Designing holes for M3 threaded inserts in an ABS enclosure
Industrial Design
Hi! In my design for a small ABS enclosure for an onboard sensor module I want to switch from molded bosses to heat-set M3 inserts for the lid screws. Before I finalize CAD, what... read more
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177
Dec 23
Airtight joint between two aluminum frame enclosures?
Industrial Design
Hi, I have two 400 mm cubical enclosures from 20×20 mm aluminum profiles with glass on all sides except one. I need to connect them into a single temperature-controlled unit and keep the joint... read more
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282
Dec 29
How to correctly specify standard and non-standard threads in a technical drawing?
Industrial Design
For a machined part that has both standard and non-standard thread types, what’s the best way to call out threads in the technical drawing? In particular, should I use thread callouts or full detail... read more
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826
Nov 14
Drawing callout for tight tolerance over short bore length
Industrial Design
hi, I have an aluminum housing for a small gearbox where the bearing seats are, of course, critical. I need to hold tight tolerances on the ID and OD, but only over a short... read more
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610
Oct 31
DMLS tolerances for screw holes and sealing surfaces
Industrial Design
Hi, I’m working on a small metal housing (around 120 × 80 × 40 mm) that will be 3D printed with DMLS for a sensor module. It needs threaded M3 screw holes and a... read more
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757
Nov 25
Design challenge: rope-to-rope transfer in a small cylindrical coupling
Industrial Design
Hi, working now on a small-scale linear actuator project and need a compact coupling between two coaxial cylinders. Both are 44 mm in diameter, with the upper one hollow (22 mm inner Ø). The... read more
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519
Oct 17
Compact linear slide – how to balance smooth travel with lateral stability
Industrial Design
hi!I’m working on a compact linear slide mechanism for a handheld inspection tool. The carriage rides between two vertical guide rails and has to remain laterally constrained while still moving smoothly along the axis.... read more
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512
Oct 15
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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1.0k
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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Aug 21

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