Precision CNC Machining | XL Machine (X-L Machine Co.) | Burke Porter
XL Machine Precision Machining

Precision CNC machining, from idea to delivery

XL Machine is the precision machining business of Burke Porter, an Ascential Technologies company. We machine and assemble build-to-print components in Three Rivers, Michigan, from prototype through full production.

MACHINING

capability & capacity

58 vertical and horizontal CNC machining centers, up to 39.37″ × 35.43″ × 39.37″
27 CNC turning centers with live tooling, up to 24″ diameter × 36″ long
Studer S33 CNC precision grinder — tooling, specialty grinding, low and medium volume, up to 8″ × 27″
Citizen Swiss machine — small, complex parts up to 20mm diameter, prototype to medium volume

CNC milling, turning, grinding and Swiss machining

We invest continuously in equipment so your parts run right the first time — nearly 100 CNC machines across milling, turning, grinding and Swiss. Our machining centers run tool center point control, probing, tool breakage detection, collision avoidance and 4- and 5-axis work. Our turning centers add gaging, live tooling, multi-axis machining, bar feeding, dual turrets, parts catching and steady rest for long parts.

Design, inspection and supply chain, all in house

Great machining means more than just making parts. We engage from the very beginning, before a single chip hits the floor — our engineering team works alongside yours, guides the design feasibility review and turns your print into build-to-print components and assemblies. Along the way we look for performance improvements in quality, speed and efficiency, and we manage the outsourced processes so you place one order, not five.

PRODUCTION

engineering & support

Production machining and assembly, prototyping, and low-volume work
Design and engineering, work holding design and engineered tool paths
Solidworks and Mastercam, with programming and process optimization direct to CNC
12 CMMs, 3 optical comparators, surfometers, Rockwell tester and 4,500 in-house gages
Managed heat treat, casting patterns, painting and plating
PROVEN

in production

Eaton, aftermarket — supercharger, aluminum casting, horizontal milling. Challenge: tight tolerance across a large plane on multiple surfaces. 10,000 parts/year.
Eaton and Dana, automotive — differential, cast ductile, turning and 5-axis. Challenge: tight run-out tolerance with difficult internal features held to true position against external features. 2,000 parts/year, plus prototype volumes.
Seakeeper, marine — gyro component, aluminum 6061 T6, turning and milling. Challenge: deep grooves with tight tolerances without creating warp groove-to-groove. 12,000 parts/year across sizes.

Precision machined parts in automotive, aerospace, marine and industrial production

Burke Porter has a history of wide-ranging production, from prototype volumes for design and testing through programs running tens of thousands of parts a year. Three representative examples, each with the challenge it was won on.

Uncompromising quality

X-L Machine Co. is ITAR registered and certified to AS9100D for aerospace, IATF 16949 for automotive, ISO 9001:2015 for quality management and ISO 14001:2015 for environmental management. Behind them sit 12 CMMs, 3 optical comparators, a Rockwell tester and 4,500 in-house gages, and parts ship with dimensional reporting to your requirements.

Sneller
lead times

We know you don’t have time to lose. XL Machine reliably maintains capacity to accommodate customers, even with the most pressing deadlines. It’s part and parcel of our service to ensure we hit your milestones and deliver on time, in full.

Full supply chain
productie

There’s a lot more to your project than just machining, which is why we supply the complete project. We take your design from raw material to finished product, managing the supply chain of a part — or a full assembly — including heat treat, casting patterns (sand, permanent and high pressure), painting and plating. We are also committed to environmental preservation, certified to ISO 14001:2015.

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