Shepra

PRECISION MACHINING FOR CRUCIAL PROJECTS

Some products perform just fine with standard tolerances. We’re here for those that don’t.

 

Over the last 20 years, companies in aerospace, automotive, consumer electronics, and defense have trusted Sherpa with their precision CNC Machining.

Custom CNC Machining Services

Our machinists use 3 and 5-axis CNC machines to create functional prototypes, custom tooling, lower volume production, and work with your manufacturing partners for a smooth hand-off to mass production. 

 

We have our own in-house engineering team, and our shop machinists are used to working closely with engineers and collaborating to make the best parts quickly.

 

Tell us about your upcoming CNC machining project, and we’ll help you take it to the next level.

Machining Quote

A dedicated resource for your prototyping needs

You will have a Sherpa, a dedicated machinist, who will focus on getting your prototypes to work, providing feedback on your CAD, supporting you with DFM insights, and hitting your tolerance requirements. They will support you through all the stages of development, testing and validation, to handoff to manufacturers. 

Sherpa Machinist

 

  • Focus on prototypes.

  • No minimum order quantity.

  • Work directly with our machinists (no sales reps)

  • Leverage our engineers for DFM and cost optimizations

 

Design for Manufacturing

We use NX CAM to program and simulate our tool paths.  We use CMM Manager to perform CMM and First Article Inspection (FAI), reverse engineering and can help with your design to resolve any issues to get it ready for prototyping (DFM).

ITAR Certification.

Sherpa is ITAR certified. If you require that certification, let us know and we can provide a secure method to share project files for machining.

Customer Stories

We have engineered custom parts for many businesses over the years, here are a few examples.  To reduce the manufacturing costs of this low-volume Rohde & Schwarz product, we engineered the case to accommodate different configurations of amplifier systems. Sherpa utilized the fourth axis to reduce setups and save on manufacturing costs for bicycle parts maker Gevenalle.

 

Machine Shop SpecsDMU50 5 Axis CNC 1200x

Our workhorse for CNC Precision Machining is the DMU 50 from DMG Mori. It’s our first choice for its five-axis machining capabilities that enable us to create complex shapes in a single setup.

CNC Milling Tolerances

download   Metals: +/-0.001"

download   Plastics: +/-0.008"

Maximum Part Sizes

download   5-axis: 12 x 12 x 10"

download   3-axis: 30 x 18 x 12"

Tighter tolerances available depending on part geometry.

Inspection

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CMM & FIRST ARTICLE INSPECTION

download Measurement / FAI Reports (AS9100 Formatted)
download Process Validation & Change Suggestions
download Dimensional Part Validation

 

 

Reverse Engineering

download Precise Scanning + Path to Remanufacturing
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