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Design Services

About

  • Global provider of turn-key mechanical and electrical design services and solutions
  • Seasoned management team with Silicon Valley background
  • Strong, experienced engineering team
  • Competitive pricing
  • Resources - stable and scalable

Goals

  • Quality design services
  • Total customer satisfaction
  • Meet customer's specifications, requirements, and deliverables
  • On-time delivery
  • Live project schedules available on-line
  • Competitive pricing

Design Skills

  • Sheet Metal Stamping - Stage or Progressive
  • Precision Machining
  • Aluminum Die Casting
  • Plastic Injection Molding
  • Tooling

CAD/CAM

  • Pro/Engineer
  • Pro/Mechanica
  • SolidWorks
  • Inventor
  • Catia V5
  • Visi-Series - For tooling design
  • MasterCAM

Workflow



Sample Projects


SAN Rack Mount Chassis


Challenge
  • No tooling for assembly - all manual
  • Minimize mechanical components
  • Expensive tooling costg -change not allowed
  • Box required to be structurally strong
  • Aesthetically appealing
Solution
  • Progressive die stamping for base and cover
  • Built in fastening features in the sheet metal
  • Complex design - multiple features in one sheet metal stamping
  • Soft tool build for sheet metal verification; SLA prototype for plastic verification
  • Structural analysis & Thermal analysis
  • ID design - Injection molded plastic bezel
  • Fabrication and assembly drawing for production


ATE Test Head


Challenge
  • Precision Machining and casting
  • Stack-up tolerance - extremely tight tolerance required
  • Cover design - sheet metal
  • Mechanism to counterbalance lid during opening/closing
  • Liquid cooled system for pin-card
  • Reduced footprint serviceability and reliability are primary importance
  • Light and appealing enclosure
Solution
  • Floating pin-card to remove closed loop tolerance
  • Simplified design, reduced components count to half for ease of assemply, ease of service
  • Used gas spring for counterbalancing, automatic latch to lock lid when opened
  • Used high precision quick connect


Liquid Cooled Pin Card


Challenge
  • Cold Plate design
  • Tight real estate
  • Precision tolerance Pogo Block
  • Top and bottom connecting constraint
  • Uneven thermal stress on PCB
  • Packaging
  • Pogo block design - floating
Solution
  • Packaging design
  • Special machining design for accurate pin location on Pogo Block
  • Floating Pogo Block
  • Cold-plate design - One main cold plate and one localized cold plate with more (liquid cooled) flow path


Manipulator


Challenge
  • Seven Degrees Of Freedom
  • Inexpensive to manufacture
  • Strength to support and manipulate 500lb Test Head
  • Counterbalance for test head weight
Solution
  • Used off the shelf structural components
  • Structural analysis
  • Gearing design
  • Lead Weight compartment in the center post
  • Pro/E used for all mechanical development


ATE Mainframe


Challenge
  • Complex internal packaging
  • fan cooling for internal PCBs
  • Structurally strong
  • Aesthetically appealing
  • Ease of assembly
Solution
  • Used Unistrut Frame with floating fastenings
  • Cooling analysis; Designed openings for air in/out
  • ID design based on preliminary sketch
  • Designed for both mainframe and enclosure
  • Pro/E used for all mechanical development


Cell Phone Charger

  • Plastic Injection Mold design
  • Packaging design
  • Rapid prototyping
  • Fabrication and assembly drawings for production
  • Pro/E Wildfire used


Mobile Phone

  • Plastic Injection Mold design
  • Rapid prototyping
  • Fabrication and assembly drawings for production
  • Used Pro/E Wildfire