FAQs

What is precision CNC machining and how is it different from conventional machining?

Advanced precision machining, specifically precision CNC machining, uses computer-controlled tools to cut parts to extremely tight and repeatable tolerances, producing complex geometries with a level of accuracy and consistency that conventional machining cannot achieve. While traditional machining relies heavily on manual operation and operator skill, advanced precision machining integrates CAD/CAM programming, automation, and often GD&T standards to ensure each feature is manufactured exactly to specification. This results in highly accurate, uniform parts across large production runs, making advanced precision machining the preferred choice for industries where reliability and precision are critical.

What is “contract manufacturing” and how does it relate to EMS (Electronics Manufacturing Services)?

Contract manufacturing is when a company outsources some or all of its production to a specialized partner who manufactures products according to the company’s exact specifications. This approach is common in industries requiring high-quality output, such as precision component manufacturing, where strict tolerances and standards must be met. By leveraging the capabilities of contract manufacturers, businesses can scale production efficiently, reduce overhead costs, and avoid the need for heavy capital investment in facilities or equipment. It also enables companies to concentrate on research, development, and their core competencies instead of being burdened by day-to-day production demands. Contract manufacturing offers flexibility to adjust volumes based on market demand while ensuring consistent quality. For sectors like aerospace, medical devices, and automotive, where precision and compliance are critical, relying on experienced partners ensures that production remains reliable, cost-effective, and adaptable. In short, it combines operational efficiency with strategic focus.

Which industries commonly use precision machining services?

Precision machining services are widely used across industries that demand strict tolerances, certified processes, and traceable quality. Aerospace CNC machining supports aircraft components requiring extreme accuracy and reliability. Defense and tactical equipment manufacturers rely on precision machining to ensure durability and compliance with military standards. In the semiconductor sector, semiconductor manufacturing companies use these services for ultra-fine, high-precision parts critical to production tools. Energy companies, including power equipment manufacturers, apply precision machining in turbines, generators, and related systems, while precision energy products demand consistent quality for performance and safety. Medical and health tech sectors use it for surgical instruments, implants, and diagnostic devices where failure is not an option. Communications and industrial fields also leverage precision machining for high-performance hardware. Across all these sectors, certified and traceable machining processes are essential to meet regulatory requirements, maintain consistency, and ensure end-product reliability.

What information do you need from me to provide a quote?

When requesting custom machining services, the accuracy of your quote depends on the completeness of the information you provide. Typically, this includes 3D CAD files in STEP or IGES format, a detailed 2D drawing with all tolerances and surface finish requirements, the desired quantities, material specifications, and target deadlines. If your project requires special processes such as heat treatment, coating, or specific inspection protocols, these should be clearly noted. Complete and accurate information allows custom machining services providers to deliver faster, more precise quotes and avoid delays in production planning.

How fast can I get a quote back?

For CNC precision machining services, quote turnaround times vary based on job complexity and the quality of the information provided. Simple parts with clear CAD files and drawings are often quoted quickly, while complex assemblies or incomplete submissions may require additional time for review. If your project is time-sensitive, communicate this urgency upfront, and many CNC precision machining services providers can prioritize urgent jobs, but incomplete or unclear details can extend the process.

What factors affect lead time for machined parts?

In precision machine and manufacturing operations, lead times for machined parts are influenced by several factors, including material availability, part complexity, required finishing steps, and the current workload of the shop. Components requiring multiple operations, tight tolerances, or intricate features will take longer to program and produce. Outsourced processes like heat treating or specialized coatings can add days or weeks to the schedule. Early discussions about these variables can help you plan accurately and align production timelines with delivery needs.

Do you offer prototyping and low-volume runs?

Yes, we offer prototyping and low-volume runs as part of our core services. Our production model is built around “high mix, low-volume” manufacturing, where prototyping is a standard practice rather than an exception. To support this, we maintain dedicated prototyping cells that operate independently from high-volume lines, ensuring new product development does not disrupt ongoing production. We also provide reverse engineering services to help clients refine designs, update legacy parts, or resolve supply chain challenges when original documentation is unavailable. Alongside this, our custom machining services allow us to produce complex, one-off components or small batches tailored precisely to client specifications. This combination of flexibility and technical capability enables us to accelerate product development cycles, support iterative design improvements, and deliver reliable prototypes that transition smoothly into scaled production when needed.

What certifications should I look for in a shop (and why)?

When working with a provider of engineering consulting services, certifications are a reliable indicator of a shop’s capabilities and quality systems. ISO 9001 certification demonstrates a strong quality management framework, while AS9100 ensures aerospace-level controls and full process traceability. For medical device components, ISO 13485 certifies compliance with rigorous manufacturing and quality standards. Choosing a shop with the right engineering consulting services certifications ensures your parts will be produced consistently, meet industry requirements, and maintain full documentation for regulatory compliance.

How do you ensure quality, what inspection tools do you use?

In precision component manufacturing, quality is ensured through advanced inspection technology and strict quality control procedures. This often includes coordinate measuring machines (CMMs), portable probing systems, and documented QC plans, all supported by inspection equipment traceable to NIST standards. Serialized inspection reports provide traceability for each part, and first article inspections or certification samples can be provided to verify compliance before production. These steps ensure that precision component manufacturing delivers parts that meet or exceed all specified requirements.

Will you sign an NDA and protect my intellectual property?

Reputable providers of engineering consulting services take intellectual property protection seriously and will readily sign a non-disclosure agreement before beginning work. Established shops have secure data management systems to protect your CAD files, specifications, and project documentation from unauthorized access. It’s important to define ownership of tooling, design files, and any proprietary code in the contract, ensuring you retain full rights upon project completion. This safeguards your intellectual property while building trust and transparency in the engineering consulting services relationship.

WessDel Logo

 

408-496-6822

581 Dado Street, San Jose, CA USA

X formerly Twitter icon
LinkedIn icon
Facebook icon X formerly Twitter icon
© 2025 WessDel. All rights reserved unless otherwise indicated. Privacy Policy

MSIRobot