-
English
- sc@bquq.com
Compare extension spring end types — machine hooks, side loops, cross loops and extended hooks. BQUQ quotes custom ends in 12 hours from one ISO9001 factory.
Size a heat sink with one equation: required resistance from watts, ambient, case temperature. Worked example. BQUQ (ISO9001, Dongguan) quotes in 12 h.
Learn how solid height and compression limits govern spring design. BQUQ, an ISO9001 Dongguan factory, quotes custom springs in 12 working hours.
Initial tension in extension springs controls when they start to stretch. Learn how to specify, measure and verify it — with BQUQ's 12-hour quoting.
Out-of-round bores and off-center diameters jam assemblies. Learn roundness vs concentricity and how each is measured. BQUQ checks both by CMM per batch.
Drilling gives ±0.1 mm, reaming reaches H7, boring goes tighter. Match the hole process to the fit class. BQUQ quotes holes in 12 hours.
Learn how active vs total coils set solid height and travel in compression springs, with formulas, tables and tolerances from BQUQ — quote in 12 hours.
Spring index drives stress, formability and cost. Learn the D/d rules, Wahl factor math and manufacturable limits from BQUQ — 12-hour quoting.
A practical compression spring design walkthrough from BQUQ, covering rate, stress, solid height and tolerances. Source-direct from Dongguan; quote in 12 hours.
How to pick spring wire diameter for target force without overstress — shear stress math, stress correction, and BQUQ's 12-hour quoting.
Learn what every heat sink spec sheet number really means — thermal resistance, fin density, flatness and plating — and how BQUQ quotes in 12 hours.
How server airflow and ducting improve heat sink performance. BQUQ explains duct design, fin orientation and pressure drop, with 12-hour quoting from Dongguan.
Nominal, measured, deviation, tolerance: a CMM report is simple once you know the columns. Catch bad parts early. BQUQ ships reports with batches.
Castings save cost at volume but add porosity risk and loose as-cast tolerance. Bar stock is faster and safer for small runs. BQUQ quotes in 12 hours.
How to choose thermal grease by balancing conductivity against pump-out. BQUQ explains TIM selection for heat sinks, with 12-hour quoting from Dongguan.
