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Precision CNC Machining Services

Precision CNC Machining Services

At Colonial Machine, we perform precision CNC machining services, which include CNC milling, turning, and sinker EDM machining operations. Our machining services meet tolerances as tight as (±) .0001 of an inch and can work with round parts as small as .5 of an inch up to 10 inches in diameter and non-round parts measuring up to 40x41x35 inches.

With our precision CNC machining operations, we can handle small to mid-range production volumes, including prototypes, and have assisted the needs of diverse industries, ranging from aerospace to food processing and medical. Our advanced machinery also offers lights out manufacturing capabilities, ensuring high-quality, just-in-time service!

At Colonial Machine, we perform light assembly work and offer a variety of secondary service options, including, but not limited to:  heat treating, anodizing, and powder coating. We invite you to contact us today to learn more about any of our precision CNC machining operations or to inquire after any of our additional top-notch services.

Precision CNC Machining Specifications

General Capabilities   CNC Milling
CNC Turning
Sinker EDM Machining
Industry Focus  
Aerospace
Agricultural
Architectural
Auto/Truck/Transportation
Dental
Electronic
Food Processing
Marine
Medical
Military
Natural gas
Packaging/Converting
Intended Applications   General Machining   
Tolerances  
Straightness : ± 0005/ft
Concentricity: ± .0001
Diameter (outer/inner): ± .0002 in
Length : ± .0005 in
Part Diameter  
Min
½ in
12.7 mm
Max
10 in
254 mm
Part Length  
Min
1in
25.4 mm
Max
40 in
1016 mm
Part Width  
Min
.10 in
2.54 mm
Max
41 in
1041.4 mm
Part Height  
Min
.10 in
2.54 mm
Max
35 in
889 mm
Maximum Part Weight/Maximum Lifting Capacity   Max
12 Tons
Machining Processes  
Gear Hobbing
Parting/Cutting
Facing
Turning:
Contour Turning
Form Turning
Taper Turning
Straight Turning
Threading
External
Internal
Internal Forming
Knurling
Boring
Drilling
Counterboring
Countersinking
Pocketing
Profiling
Reaming
Tapping
Thread Milling
Materials (Metals)  
Alloy Steels
Aluminum
Beryllium
Brass
Carbon Steel
Cobalt
Copper
Stainless Steel
Titanium
Materials (Exotic & Precious Metals)   Inconel
Molybdenum
Monel
Equipment  
Lathe
Engine
Turret
CNC
Tracer
Fixturing   Three-jaw chuck
Four-jaw chuck
In-House Fixtures & Tooling
Equipment Capabilities  
CNC Control Capabilities
CAD Design Services
CAM Programming
Reverse Engineering
Machinery Axis   3
Secondary Services Offered  
Light Assembly
Custom Packaging
Painting
Powder Coating
Welding
Plating
Heat Treating
Grinding
Anodizing
Production Volume  
Prototype
Low Volume
Mid Volume
Short Run
Long Run
Lead Times Available   Quoted on job by job basis
Rush Services Available
J.I.T. Deliveries
Efficiency   Lights Out Manufacturing
Industry Standards  
ANSI
American National Standards Institute
AMBA
American Mold Builders Association
ASME
American Society of Mechanical Engineers
ASTM
CSA
Canadian Standards Association
FDA
Food And Drug Administration
ISO
International Organization for Standardization
ISO 9001:2008
Mil-Spec
Military Specifications
File Formats  
AutoCAD (DWG)
BMP
Bit Mapped Graphics
CATIA
DXF
Drawing Interchange Format, or Drawing Exchange Format
GIF
Graphics Interchange Format
IGES
Initial Graphics Exchange Specification, ANSI file format.
Inventor (IDW, IPT)
JPG or JEPG
Joint Photographic Experts Group
PDF
Portable Document Format
Pro-E or Pro/Engineer (DRW,PRT,XPR)
SolidEdge (DFT)
SolidWorks (SLDPRT,SLDDRW,SLDDRT)
STEP
Standard for the Exchange of Product Model Data
TIFF
Tagged Image File Format

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