RFQ preparation, sourcing strategy, lead-time planning, and supplier-risk guidance for global OEM purchasing teams.
Use this category to review practical procurement and engineering patterns. Each article is written to reduce ambiguity in RFQ, validation, and production release decisions.
Instead of generic theory, these posts focus on what buyers can send, measure, and approve in supplier communication.
In practical sourcing programs, this category is most useful when its article checklists are copied into internal review templates and then reused in supplier calls, sample sign-off notes, and PO release approvals.
These articles are sorted by publish date and are intended to be used as reusable inputs for your engineering and procurement handoffs.
Need project-specific guidance? Start from Contact / RFQ and include the article links your team is referencing.

Assess inverted roller screw shock loads, static safety factors and brinelling risks. Use the worked example and RFQ checklist to request an engineering review.

Calculate inverted roller screw life with Ca, cubic mean load Fm and L10h formulas. Check the worked duty cycle and RFQ checklist, then request a sizing review.

Size inverted roller screw side-load isolation with guide reaction examples, mounting checks and supplier-specific limits. Prepare your actuator RFQ checklist.

Compare inverted roller screw lubrication options, EHL limits, grease vs. oil, and relubrication planning. Use the RFQ checklist for an OEM supplier review.

Specify inverted roller screw preload with clear backlash, rigidity, and drag torque limits. Use the engineering checklist to prepare a measurable supplier RFQ.

Integrate inverted roller screws with frameless hollow-shaft motors. Compare thermal paths, bearing interfaces and sourcing options, then prepare your OEM RFQ.