Back

Verified application · Import Substitution

Localization of a Japanese OEM spiral bevel gear

A spiral bevel gear localization case that converted an expensive imported replacement into a repeatable local supply program with inspection records and reorderable geometry.

56% lower cost vs. previous Japanese OEM quote Explore all solutions →
ApplicationFrom engineering review to repeat delivery

Customer context

A customer relied on a Japanese OEM bevel gear that was expensive, slow to replenish and difficult to source in urgent maintenance situations. Previous local attempts did not reproduce the gear's contact behavior, so the project required both precision measurement and controlled validation.

Application challenge

Three constraints that define performance

Recreate the functional tooth contact of an imported spiral bevel gear with limited original documentation.
Avoid a one-off copy by building a repeatable drawing, inspection method and reorder record.
Reduce purchase cost while keeping the assembly behavior acceptable for the customer's machine.

Wolfer solution package

Review every critical interface as one drivetrain

  • Spiral bevel gear pair re-created from sample measurement and mounting review.
  • Contact pattern adjustment to match the customer's operating position and bearing support.
  • Material, heat treatment and finish selected to align with the original duty requirement.
  • Reorder CAD record and inspection plan created for future replacement batches.

Engineering approach

From drawing review to inspection release

Measured reference geometry and checked how the gear sat in the customer's assembly.

Reviewed tooth bearing instead of relying only on dimensional duplication.

Built a controlled localization record so future orders do not restart from sample measurement.

Validation evidence

Validation records available with delivery

  • Contact pattern review for the bevel gear pair.
  • Dimensional inspection of mounting, bore and tooth-related features.
  • Hardness and heat-treatment record.
  • Customer bench confirmation and reorder drawing reference.

Result

Project outcome and reorder value

  • The localized gear reduced the customer's purchase cost by 56% compared with the previous Japanese OEM quote.
  • Replenishment moved from an import order cycle to a local route, backed by a reorderable drawing pack and inspection record.
  • Tooth-contact pattern matched the imported original — verified against the customer's mounting distance before batch release.

VERIFIED OUTCOME

Spiral bevel gear import replacement — purchasing cost 56% below the Japanese OEM

The customer depended on one Japanese OEM spiral bevel gear — expensive, with long lead times. Through sample measurement and controlled verification, Wolfer reproduced the tooth-contact behavior, matched material and heat treatment, and set up reorderable drawings and an inspection plan — turning a costly imported spare into a repeatable local supply.

↓56%

Purchase cost vs. Japanese OEM quote

Tooth contact

Controlled verification · not one-off copying

Reorderable

Drawings + inspection numbers on file

“Wolfer's quality, delivery and service are impeccable. Unit price runs slightly higher, but once you count the operating costs they save us, total cost is still lower.”
— Purchasing director, equipment company
ISO 9001:2015200+ machining and inspection assetsDrawing, inspection and batch traceability

Information needed to start

Prepare these inputs for a faster engineering review and quotation

  • Original drawing, imported part number, sample gear or worn component if available.
  • Assembly photos, mounting distance, shaft angle and operating direction.
  • Current purchase price, lead-time pain point and validation requirement.
Discuss a similar project →