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8/3/2019 PPE Presentation Background and Capabilities General 082511
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Petersen Precision
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Company History
Company Founded in 1966
Initially a lapping house serving the recording head anddisk drive industries
Moved to Current Site 1974
Added various grinding capabilities
Double Disc, Blanchard, etc
Added second building 1978
Incorporated CNC machining technology
Early 1980s
Added fineblanking technology
Late1980s
Customer base changes through the years
Started as a service shop for the disk drive industry
Defense and Aerospace in the late 1980s and 1990s
Medical Devices are now dominant market
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Sales Data by Industry Type
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Unique Processes
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Fineblanking
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Fineblanking
Conventional Stamping vs Fineblank
Torn Edges (30% smooth) Low Tolerances in Feature Location
Thin material only
High Rolloff
Poor Flatness
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Fineblanking
Fineblank Advantages
Smooth Edges Like Machined Parts
Flat Surface Profiles
Up to 3/8 Thick (materials vary)
Tight Feature Location Tolerances
Minimal Rolloff
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Creepfeed Grinding
Style of Form Grinding Invented by the Swiss
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Shop Capabilities
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CNC Machining
Milling
7 Vertical Mills 5 With Pallet Changers for increased efficiency
13 Horizontal Mills
4-Axis, 30-80 tools, 10-15k RPM Spindles
Additional space available for increased capacity if needed (~7 new HMCs)
Turning
15 Turning Centers
2 with live tooling capability
5 with bar feed capability
All with add-on capability for bar feed
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Grinding Processes
Creepfeed Grinding
2x Rotary Tables, 80 and 150 HP units Surface Grinding
7 machines total, 1 NC Automated System
Double Disk Grinding
6 machines total, 2 with Rotary Capability
Blanchard Grinding
3 machines, 2 with 42 chuck size
Centerless/OD
4 Centerless Machines, 2 Cylindrical Machines, 1 Center
Grinder
Honing
Sunnen Honing Machine w/ automated feed
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Fineblanking
Currently running 7 presses
320 Ton Mechanical Press 250 Ton Hydraulic Press
200 Ton Mechanical Press
160 Ton Mechanical Press (3X)
80 Ton Mechanical Press
Coil Straighteners for each press
Die Design in performed in House
Die Manufacture and Maintenance are In House
2x Wire EDMs
3 CNC Mills
2 Lathes
1 Hole Popper
2 Surface Grinders
1 Tool Grinder
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Lapping
Free Abrasive Lapping (one side flat)
3x 42 Gardner Laps 5x 36 Gardner Laps
24 Diamond Lap
32 Speedfam Lap
Double Sided Lapping (flat and parallel) 2 Hahn & Kolb Bonded Abrasive Parallel Laps
Cylindrical Lapping (rods)
18 DoAll Cylindrical Lap
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Value Add Services
Broaching
30 Vertical Pioneer Broach Laser Marking & Serializing
Vapor Hone Sandblasting Units (2x)
Ultrasonic Cleaning
Automated 3-stage system Light Assembly
Subassemblies, Final Packaging, etc
Contract Inspection Services
Independent Analysis and Reporting
Jobbing Services
Grinding and Lapping primarily
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Inspection Capabilities
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Inspection Capabilities
2x Zeiss CMMs
3D LCD Video Microscope Z-Mike Laser Micrometer
Federal Formscan Computerized Roundness Gage
Federal Air Gages (7x)
Pneumatic Granite Flatness Gage 30 OGP Optical Comparators (2x)
Federal Surfanalyzer Model 4000 Surface Analyzer
Wilson hardness testers (2x)
Leco M-400 Knoop Microhardness Tester
Buehler Encapsulating Polishing System (x-section)
Fowler Z-Cal Height Gages
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Covidien EBD Parts By Petersen
Development Parts, Impact Parts, Precise+ Parts
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Petersen Precision