Custom CNC Machining Services of Parts, Products & Components

Precision CNC Machined Parts

Custom CNC Machined Products

Custom Finish Machining of Steel Parts

At Swihart Industries, we specialize in the manufacture of precision CNC machined parts and products. We offer a broad selection of CNC machining services-ranging from boring and broaching to drilling and milling to tapping and turning-to accommodate the part and production needs of customers from a diverse set of industries. By leveraging over 40 years of industry experience and state-of-the-art machining equipment, our team produces high-quality machine components in various designs, sizes, materials, and quantities to tight tolerances.

What Is CNC Part Machining?

CNC machining-i.e., computer numerical control machining-is an umbrella term that encompasses numerous subtractive manufacturing processes (e.g., drilling, milling, and turning), all of which rely on computer software to control the movement and motions of the machine tools. A typical CNC machining operation begins with the development of a 2D or 3D model of the desired part in design software (e.g., CAD). The design is then converted into a format recognizable by the CNC equipment (e.g., STEP or IGES), from which the necessary information-such as the part geometry-is extracted to generate the machine program. The machine program-once loaded into the CNC unit-guides the machine tool as it removes excess material from the workpiece to form the desired part.

Due to the use of computerized technology, the CNC machining process enables parts manufacturers to produce highly precise and accurate pieces. While it accommodates a wide range of part designs, there are several considerations to keep in mind when creating a part design for a specific application. For example, the machining process and the application environment influence which construction material should be employed, while the part size and weight affect the ease to which the part can be machined.

Some of the typical parts produced in machining operations are:

Brake calipers
Cylinders
Industrial food equipment components
Motor housings
Pistons
Power generation/distribution equipment goods
Pulleys
Reciprocating and rotary compressors
Rotors
Wheel hubs
Wheels

CNC Part Machining Capabilities at Swihart Industries

Our ISO 9001:2015 and TS 16949:2009 certified facility is equipped with a broad selection of 3-axis, 4-axis, and 5-axis CNC machines, including horizontal and vertical machining centers, horizontal turning centers, vertical twin-spindle turning centers, and multi-task lathes/mills. This equipment enables us to offer the following machining services:

Boring
Broaching
Counterboring
Countersinking
Drilling
Facing
Milling
Tapping
Threading (internal and external)
Turning

By using the above processes, we fulfill a wide range of machining projects. Our machining capabilities include:

Construction material: aluminum, brass, copper, iron (cast, ductile, gray), nickel, stainless steel, steel, tin, forged alloy, plastic
Part weight: up to 2,000 lbs.
Tolerances: up to ± 0.0002 inches
Process capability: ≥ 1.33
Process performance: Ppk ≥ 1.67
Production volumes: prototype to production
Lead time: 4–6 weeks for new orders, 1–2 weeks for recurring orders

As an experienced and knowledgeable machining partner, we are committed to ensuring product and process quality in every project. We employ comprehensive testing (dimensional) and inspection (100% layout, 1st piece, and in-process) procedures and advanced quality control technology (CMM, automated tip/probe changer, and calibrated measuring instruments and gages) to ensure each piece we machine fully meets customer specifications and standards. Additionally, we offer several value-added services—including engineering, deburring, painting, plating, assembly, welding, packaging, logistics and scheduling, inventory management, barcoding, and warehousing—to streamline customer production operations.

To find out more about our precision CNC parts machining services or partner with us on your next project, contact us or request a quote today.

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Precision CNC Machining Capabilities

Machining Processes

Milling Drilling Boring Turning Contour Turning Form Turning Taper Turning Straight Turning

Threading (Single Point)

External
Internal

Tapping
Counterboring
Countersinking
Facing
Broaching

Equipment Capabilities

CNC Control Capabilities Horizontal Machining Centers Vertical Machining Centers Horizontal Turning Centers: Vertical Twin Spindle Turning Centers
Multi-Task Lathe/Mill (Dual Turning & Milling Spindle)

Machinery Axis: 3, 4, 5

Fixturing

In-House Fixturing & Tooling Three-Jaw Chuck Twin Pallets: Automated Spindle
Tool Changer
Robotic Load / Unload (Pick & Place)

Materials Used

Gray Iron Ductile Iron Aluminum Stainless Steel Steel Brass: Cast Iron
Forged Alloy
Tin
Nickel
Plastics
Copper

Turning Diameter: Up to 31.5 in.

Milling Length (X): Up to 59.8 in.

Milling Width (Y): Up to 31.5 in.

Milling Height (Z): Up to 32 in.

Maximum Part Weight: 2,000 lbs.

Tolerance: ± .0002 in.

Process Capability: ≥ 1.33

Process Performance: P_pk ≥ 1.67

Secondary Services Offered

Engineering Deburring Broaching Welding Painting Plating Assembly Packaging: Logistics and Scheduling
Transportation Routes
Inventory Management
Paperwork Reduction
Advanced Shipping Notices (ASN)
Barcoding
Warehousing

Testing: Dimensional

Inspection: 100% Layout
1st Piece Inspections
In-Process Verifications

Process Manuals: Production Part Approval Process (PPAP)
Advanced Product Quality Planning (APQP)
Statistical Process Control (SPC)

Quality Control: Coordinate Measuring Machines (CMM)
Automatic Tip / Probe Changer
Calibrated Measuring Instruments and Gages

Production Volume: Prototype to Production

Lead Times Available: 4 to 6 weeks (New)
1-2 weeks (Repeat)

Delivery: 99.8% On-Time

Supply Chain Management: KanBan
Inventory Management / Stocking Program
Supplier and Process Management

Additional Information

Industries Served

Transportation Medium & Heavy Trucking Automotive Commercial Vehicles: Energy
Food Processing Equipment
Hydraulics
Gas Compression

Intended Applications

Wheel Hubs Cylinders Rotors Brake Calipers Rotary Compressors Reciprocating Compressors: Power Generation / Distribution
Motor Housings
Wheels
Pulleys
Pistons
Industrial Food Equipment

Industry Standards Met: ISO 9001:2015 Certified
TS 16949:2009 Certified

Software Utilized

SolidWorks Vericut ToolPath MasterCAM QC-Calc (SPC): CMM Manager
OpenDMIS
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Images (JPG, GIF, TIFF, BMP)

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