Edward Köehn Co., Inc. - Precision Turned Component Parts • Since 1943
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Swiss CNC Turning Services

Edward Köehn Co., Inc. is pleased to offer Swiss CNC turning services for a variety of industries and applications. Our state-of-the-art facility features high speed Citizen Swiss Screw machinery with CNC control capabilities, automatic bar loading, and live tooling. This 4-axis equipment with single spindle and sub spindles produces ultra-precise complex parts at incredibly tight ±0.0001" tolerances, from a range of materials including metals such as steel, aluminum, titanium, brass, bronze, and copper as well as plastic polymers such as PVC, delrin, acrylic, polypropylene, polycarbonate, and many more. Parts are available in sizes up to 12" in length and to .75" in diameter.

Components are created utilizing multiple production process including boring, knurling, reaming, turning, broaching, drilling and complex milling. Advanced threading capabilities include thread rolling, external thread cutting, internal thread cutting, and single point threading, meeting the ANSI, UN, UNF, UNR, and metric thread standards. Custom tapering is also available. Our comprehensive quality assurance methods include an inspection system with documented reports, material certification, and certified outside processing. At Edward Köehn we offer a full line of manufacturing services, with fast turnaround times and cost effective rates.

For more details about our precision Swiss CNC turning capabilities, or the menu of value added services we offer please see the table below or contact us directly.

Recent Projects

Swiss CNC Turning Capabilities

Processes (General Capabilities)
Boring
Knurling
Reaming
Turning
Drilling
Milling
Cross Tapping
Eccentric Holes
Processes (Special Capabilities)
Broaching
Drilling
Cross Drilling & Tapping
Milling Interpilation
Processes (Threading)
Thread Rolling - External & Internal
External Thread Cutting
Internal Thread Cutting
Secondary Operations
Drilling
Tapping
Milling
Deburring
Polishing & Assembly
Machinery Axis
4
Live Tooling
Equipment Capabilities
CNC Control Capabilities
Single Spindle
Sub Spindles
Equipment
(4) Citizen Swiss Machines up to .750" diameter w/ auto spindles and up to 4 live tools
Materials (Metals)
Ferrous
Non-Ferrous
Steel (1018, 12L14)
Stress Proof (1144)
Quenched and Tempered (4140)
Stainless Steel (303, 304, 316, 321, 303SE, 17-4)
Aluminum (2011, 6061-T6, 2024)
Brass
Bronze
Copper
Titanium
Materials (Plastic Polymers)
Acetal
Delrin (Polycarbonate)
UHMW
Nylon
PFE
Acrylic
Torlon
PEEK
Polypropylene
PVC
Threads
Full Range of Threading Capability including all Specialty Threads:
  • ANSI
  • UN
  • UNF
  • UNR
  • Metric
  • Custom Tapered
Diameter
Up to .75 in
Length
Up to 12 in
Tolerance (+/-)
.0001 in
Inspection
Full Line of Measuring Equipment, Optical Comparator, First Article Inspection, In Process Reports
Testing
Material Certification
Outside Processing
Documentation
Inspection Report, First Article Inspection
Additional Services
Heat Treating
Plating and Anodizing
  • Gold Plating
  • Platinum Plating
Burnishing and Tumbling
Passivating
Grinding
Design Assistance
Light Assembly
Special Packaging
Production Volume
50 to 10000 parts and up
Small to Large Quantities
Typical Lead Time
3 to 4 weeks
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Additional Information

Industry Focus
Aerospace
Bio-Tech Test Equipment
Medical
Commercial Lighting
Dental Instruments
Hand Tools
Flooring
Plastic Molding
Drinking Fountain and Safety Wash Equipment
Sporting Goods
Commercial Dishwashers
Chemical Dispensing Pumps
Construction Equipment
Music
Intended Application
Stand Offs
Spacers
Electrodes
Switch Receivers
Handles
Knobs
Nozzles
Spindles
Shanks
Alignment Pins
Thumb Screws
Speaker Parts
Industry Standards
Precision Machined Products Association (PMPA)
ANSI
Efficiency
Lights Out Manufacturing
Lean Manufacturing
File Formats
PDF
Autocad

SolidWorks


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