Custom Springs

Assembling Springs: Handling, Lubrication and Installation Mistakes

Assembling Springs: Handling, Lubrication and Installation Mistakes

Spring assembly errors that cause early failure: over-extension, incorrect seating, missing lubrication, wrong end orientation and how to install springs correctly.

Custom Springs2026-07-25111
Spring Inventory: Standardizing Before You Order

Spring Inventory: Standardizing Before You Order

How to standardize your spring inventory: preferred sizes, fewer part numbers, shared materials and how standardization cuts cost, lead time and stockouts.

Custom Springs2026-07-2378
"Die Springs: Color Codes, Rates and Life for Stamping Dies"

"Die Springs: Color Codes, Rates and Life for Stamping Dies"

"Die spring selection guide: color codes, load ratings, compression ratios, fatigue life classes and how to pick the right die spring for stamping tools."

Custom Springs2026-07-19132
Presetting and Scragging Springs: Settling Load Before Delivery

Presetting and Scragging Springs: Settling Load Before Delivery

Spring presetting and scragging explained: what it does to load, when it is required, tolerance effects, and how to specify it on your spring drawing.

Custom Springs2026-07-17107
Stainless Spring Grades: 302 vs 316 vs 17-7PH

Stainless Spring Grades: 302 vs 316 vs 17-7PH

Stainless steel spring wire grades compared: 302 vs 316 vs 17-7PH strength, corrosion, fatigue, temperature limits and which to specify for your spring.

Custom Springs2026-07-1698
Spring Heat Treatment: Hardening and Tempering Wire

Spring Heat Treatment: Hardening and Tempering Wire

Spring heat treatment explained by a Dongguan spring factory: stress-relief and tempering temperatures for wound springs. Quotes in 12 hours.

Custom Springs2026-07-15168
Spring End Grinding: Flatness, Squareness and Bearing Surfaces

Spring End Grinding: Flatness, Squareness and Bearing Surfaces

Spring end grinding explained by a Dongguan spring factory: closed-ground ends, squareness, bearing area and inspection. Quotes in 12 hours.

Custom Springs2026-07-13101
Constant Force Springs: When a Flat Spring Pulls Steady

Constant Force Springs: When a Flat Spring Pulls Steady

Constant force springs explained by a Dongguan spring factory: pre-wound strip, steady pull over long travel, sizes and mounting. Quotes in 12 hours.

Custom Springs2026-07-12153
Belleville Washers: Stacking Curves for Controlled Preload

Belleville Washers: Stacking Curves for Controlled Preload

Belleville washers explained by a Dongguan spring factory: h/t ratios, parallel and series stacking, bolt preload and materials. Spring quotes in 12 hours.

Custom Springs2026-07-10121
Wave Springs: Compact Axial Force Where Coils Don't Fit

Wave Springs: Compact Axial Force Where Coils Don't Fit

Wave springs explained by a Dongguan source factory: flat-wire design, 50% lower working height, materials and sizing. Custom springs quoted in 12 hours.

Custom Springs2026-07-09171
Shot Peening for Springs: The Fatigue-Life Multiplier

Shot Peening for Springs: The Fatigue-Life Multiplier

Shot peening can multiply spring fatigue life two to five times. Intensity, coverage and when to peen. BQUQ (ISO9001, Dongguan) peens springs.

Custom Springs2026-01-192269
Compression, Extension or Torsion: Choose the Spring Type First

Compression, Extension or Torsion: Choose the Spring Type First

Which spring type: compression, extension or torsion by load direction. Space, ends and failure modes compared. BQUQ (ISO9001) makes all three.

Custom Springs2026-01-141818
Custom Spring Prototypes: Fast Routes Without Full Tooling

Custom Spring Prototypes: Fast Routes Without Full Tooling

Prototype custom springs without full tooling: CNC coiling, tooling reuse and wire swaps compared. BQUQ (ISO9001, Dongguan) quotes in 12 h.

Custom Springs2026-01-092402
Spring Testing: Load, Rate and Fatigue Checks Before You Approve

Spring Testing: Load, Rate and Fatigue Checks Before You Approve

How springs are tested before approval: load at working height, rate, fatigue samples. BQUQ (ISO9001, Dongguan) ships data with batches.

Custom Springs2026-01-052654
Conical and Variable-Pitch Springs: When They Beat Straight Coils

Conical and Variable-Pitch Springs: When They Beat Straight Coils

Conical and variable-pitch springs: nesting, stability and progressive rate — when they beat straight coils. BQUQ (ISO9001, Dongguan) makes them.

Custom Springs2025-12-302496

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