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Contract Manufacturing

Contract Manufacturing

Let us be your manufacturing partner. We’ll take care of material sourcing, manufacturing, and packaging of your product while you focus on your core competencies.

Contract Manufacturing

What’s Contract Manufacturing?


Contract manufacturing is the outsourcing of production for a machined component or assembly to a company that is focused on manufacturing. 


In most cases, underpinning the outsourced manufacturing is a contract which outlines the quantity and price supplied at agreed time intervals.


What’s part of the service


At Summers, our goal is to empower your business by providing innovative, cost-effective, and timely manufacturing. Included in our Contract Manufacturing service is the following:


  • Cost-effective Prototyping – we’ll assist in prototyping your part or manufacturing a short run before you’re ready to volume produce.
  • Scalability and Flexibility – we’ll adjust production levels based on demand fluctuations. You can scale up and down quickly without the burden of excess capacity.
  • Expertise and Resources – we’ll provide design for manufacturing feedback to ensure that we manufacture your part at the lowest cost possible without compromising on function.
  • Cost Savings – eliminate the highly capital-intensive undertaking of building a manufacturing facility, purchasing equipment, and employing skilled labour.


Why should you select Summers as your Manufacturing Partner.


We’re constantly focused on remaining competitive on a world scale. If you select us as your Manufacturing Partner, you can be confident that we are constantly investing in the latest technology and innovating our overall manufacturing capabilities.

 

With this focus, we’re confident that we can provide you with a world class Contract Manufacturing service.

Machined (Ra 100um / Ra 600um)
Lorem ipsum dolor sit amet, consectetur adipiscing elit quis ultricies sed non sodales morbi ornare non
Smooth machined (Ra 1.6um / Ra 63um)
This is our standard finish. Parts are machined and deburred, sharp edges are chamfered.
Machined (Ra 100um / Ra 600um)
Lorem ipsum dolor sit amet, consectetur adipiscing elit quis ultricies sed non sodales morbi ornare non
Smooth machined (Ra 1.6um / Ra 63um)
This is our standard finish. Parts are machined and deburred, sharp edges are chamfered.
Machined (Ra 100um / Ra 600um)
Lorem ipsum dolor sit amet, consectetur adipiscing elit quis ultricies sed non sodales morbi ornare non
Smooth machined (Ra 1.6um / Ra 63um)
This is our standard finish. Parts are machined and deburred, sharp edges are chamfered.
Machined (Ra 100um / Ra 600um)
Lorem ipsum dolor sit amet, consectetur adipiscing elit quis ultricies sed non sodales morbi ornare non
Smooth machined (Ra 1.6um / Ra 63um)
This is our standard finish. Parts are machined and deburred, sharp edges are chamfered.
Machined (Ra 100um / Ra 600um)
Lorem ipsum dolor sit amet, consectetur adipiscing elit quis ultricies sed non sodales morbi ornare non
Smooth machined (Ra 1.6um / Ra 63um)
This is our standard finish. Parts are machined and deburred, sharp edges are chamfered.
Machined (Ra 100um / Ra 600um)
Lorem ipsum dolor sit amet, consectetur adipiscing elit quis ultricies sed non sodales morbi ornare non
Smooth machined (Ra 1.6um / Ra 63um)
This is our standard finish. Parts are machined and deburred, sharp edges are chamfered.

Maximum Part Size for 3-axis CNC Milling and 3+2 axis CNC Milling

Part size limitations

Metric size

Maximum Part Size

1050mm x 560mm x 460mm

Minimum Feature Size

Ø 0.50 mm

Maximum Part Size for 5-axis CNC Milling

Part size limitations

Metric size

Maximum Part Size

500mm x 500mm x 500mm

Minimum Feature Size

Ø 0.50 mm

CNC Milling Tolerances

Where individual tolerance is not specified, we follow ISO 2768 standards for CNC Machining.

Component Feature Size

Tolerance Limit - Metals

Tolerance Limit – Plastics

0.5mm to 3mm

±0.01mm

±0.01mm

Over 3mm to 6mm

±0.01mm

±0.01mm

Over 6mm to 30mm

±0.01mm

±0.2mm

Over 30mm to 120mm

±0.02mm

±0.3mm

Over 120mm to 400mm

±0.05mm

±0.5mm

Over 400mm to 1000mm

±0.1mm

±0.8mm

Maximum Part Size for CNC Turning

Part size limitations

Metric size

Maximum part diameter

460mm

Maximum part length

750mm

Maximum swing over carriage

460mm

Maximum spindle bore

80mm

CNC Turning Tolerances

Where individual tolerance is not specified, we follow ISO 2768 standards for CNC Machining.

Component Feature Size

Tolerance Limit - Metals

Tolerance Limit – Plastics

0.5mm to 3mm

±0.01mm

±0.05mm

Over 3mm to 6mm

±0.01mm

±0.05mm

Over 6mm to 30mm

±0.01mm

±0.1mm

Over 30mm to 120mm

±0.01mm

±0.15mm

Over 120mm to 400mm

±0.02mm

±0.2mm

Over 400mm to 1000mm

±0.05mm

±0.3mm

Maximum Part Size for SWISS CNC Turning

Part size limitations

Metric size

Maximum part diameter

Ø32mm

Maximum part length

300mm

SWISS CNC Turning Tolerances

Where individual tolerance is not specified, we follow ISO 2768 standards for CNC Machining.

Component Feature Size

Tolerance Limit - Metals

0.5mm to 3mm

±0.01mm

Over 3mm to 6mm

±0.01mm

Over 6mm to 30mm

±0.01mm

Over 30mm to 120mm

±0.01mm

Metals

Summers has experience and the ability to source and manufacture a wide range of exotic materials including the following metals:

Material Name

Material Description

Tool Steels

Tool Steel is a high-carbon, high-alloy steel known for its exceptional hardness, toughness, and wear resistance. 

Titanium

Titanium is a lightweight and corrosion-resistant metal known for its high strength-to-weight ratio, excellent biocompatibility, and resistance to extreme temperatures.

Inconel

Inconel is a family of nickel-based superalloys known for their exceptional heat resistance, high strength, and excellent corrosion resistance in demanding environments.

Invar

Invar is a low coefficient of thermal expansion alloy, composed of iron and nickel. Known for its dimensional stability and precision in temperature-sensitive applications.

Exotic Stainless Steels

Highly durable stainless steels such as Duplex Stainless Steel which has excellent strength and extreme corrosion resistance.

Plastics

In addition to a wide range of exotic metals, Summers also has the experience to source and machine the following exotic plastic materials:

Material Name

Material Description

PEEK

High-performance thermoplastic, very high strength, thermal and chemical resistant.

Polypropylene

Great chemical resistance and can be purchased in food-safe grades.

G-10 / FR4

High strength, high insulation, high chemical resistance properties. FR4 is also flame retardant.

CNC Milling Capabilities:


CNC milling involves the remove of material from a workpiece to create complex shapes, contours, and features with high accuracy and repeatability.


Learn more about a CNC Milling capabilities here.


CNC Turning Capabilities:


CNC turning is a machining process where a workpiece is rotated by a spindle while a cutting tool shapes the material into the desired form.


Learn more about a CNC Turning capabilities here.


SWISS CNC Turning Capabilities:


For high-speed, high-precision complex machining of small parts and difficult cutting materials. Summers Engineering has the SWISS CNC turning lathes.


Learn more about a SWISS CNC Turning capabilities here.

Available surface finishes for CNC machining

Surface finishes are applied after machining and can change the appearance, surface roughness, hardness, and chemical resistance of the produced parts. Below are some of the surface finishes that Summers Engineering offers.

Name

Description

As machined (Ra 3.2μm)

All parts machined by Summers will have a Ra 3.2μm as a minimum. Parts are machined and deburred as specified by drawings.

Smooth machining (Ra 1.6μm)

Smooth machining is an improvement on the ‘As machined’ finished where a lower feed rate achieves a smoother and more reflective finish.

Bead Blasted

Parts are bead blasted with glass beads which results in a grainy texture and reduce machining marks.

Anodised

Available in several colours but commonly black or clear. Anodising offers a durable protective coating. CNC machined parts appear as a gloss finish after anodised.

Bead Blasted / Rumbling + Anodised

Same physical properties as an anodised finish but with a matte look due to the bead blasting / rumbling.

Hard Anodised

For extra longevity and durability, hard anodising or hard coat anodising is a tough and thick coat finish ideal for aluminium applications where high wear resistance is required.

Laser Etching / Laser Engraving

Involves the use of a laser to burn a specific depth into material to create images, text, or graphics on the surface of the object.

Powder Coated

Offered in a variety of colours. This finish improves the strength and wear-resistance of metal parts. Compatible with all materials and available in glossy or matte gloss.

Black Oxide

A conversion coating, compatible with steel, stainless steel, and copper. Provides a mild improvement to the parts corrosion resistance. 

Electroless Nickel Plated

The coating is a nickel phosphorus alloy which has an attractive stainless steel-like appearance. Ideal for wear abrasion and corrosion resistance. 

Electropolishing

Provides a shiner appearance to parts and makes them easier to clean. It also deburrs the surface roughness of stainless steel on a microscopic level. 

Chromate Conversion Coating

The coating is a nickel phosphorus alloy which has an attractive stainless steel-like appearance. Ideal for wear abrasion and corrosion resistance. 

Zinc Plating

Is a process where zinc is applied by using a current of electricity. Zinc plating protects the metal from the effects of corrosion or rust.

Silver Plating

Offering little electrical resistance silver plating is commonly used in industrial applications where copper parts are coated for electrical applications. 

Ready to pull the trigger? Get a quote today.