12/18/2019 | 3 MINUTE READ

CNC Machining and Motorsports

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Have a look at some of the new manufacturing equipment spotted in “Machinery Row” at the recent Performance Racing Industry Show.

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Seeing as though I’m the magazine’s resident “car guy,” you’re probably not surprised that I attend the annual Performance Racing Industry Show whenever I can, as I did last week. This year marks the 32nd edition of the show, which draws attendees from all 50 states and 70 countries. Many of the exhibitors are manufacturers and suppliers of equipment to support the motorsports industry. (The 2019 event at the Indiana Convention Center in Indianapolis featured 1,100 exhibitors in 3,000 booths.) That said, the show’s “Machinery Row” features manufacturing equipment and software such as machine tools, tooling, workholding devices, CAD/CAM packages and so on.

That’s where I spent the majority of my time at the show. Read through the the photos and descriptions below to see some of what I saw there. Much of it has broader potential applications than just motorsports. In addition, this Twitter thread includes video and some additional automotive eye candy.

Full five-axis machining is often performed to shape and smooth cylinder head ports. This A590 machine from Centroid has a 180-degree articulating head and 40-hp/16,000-rpm spindle. Note the means by which the head is fixtured to a plate on the rotary indexer.

 

 


pri show

Here is an example of a combustion chamber’s contoured geometry and quality surface finish created via five-axis machining. 

 

 

 

 

 


pri show

The sophistication of CNC machining technology on display at the PRI Show continues to increase. This L12 Swiss-type lathe from Marubeni Citizen-Cincom is an example. I believe it is the first Swiss-type I’ve seen displayed at the show.


 

 


pri show

Hurco highlighted the 3D solid model import feature in its Max5 CNC, which is based on DXF technology. There is no need to enter feature dimensions, and transform planes are created automatically for five-sided conversational programming.

 


 


pri show

Sunnen has teamed with Applied Nano Surfaces to offer triboconditioning, a mechanical-chemical process that applies a compound that becomes integrated into metal at a nano level. (It is not a coating.) One application is engine block cylinder sleeves. When combined with honing, it can eliminate the "break-in" process for new engines.

 


pri show

Having a compact footprint and short travels, the Haas UMC 500 five-axis machine is well-suited for five-axis positioning or full contouring of small, complex components.

 

 

 

 


heidenhain at pri

Machine shops can get better performance from manual knee mills with a CNC retrofit kit like Heidenhain’s Acu-Rite brand offers. The kit includes new ballscrews, drives, control, and scales on X, Y and Z axes. The company says even big OEMs are retrofitting theirs, so it’s not just for small shops.

 


trak machine tools at PRI

Available in the United States from Southwestern Industries Inc., Trak Machine Tools’ Prototrak 2OP is a compact VMC that can be used as a second-op machine or a standalone unit. The latest design features a 10,000-rpm spindle.

 

 

 


chick at pri

Chick’s OneLok vise jaw system enables fast jaw changeovers. Once a jaw is inserted, it is secured after a few twists of a T-handle wrench.

 

 

 

 

 


omax at pri

This Omax ProtoMax is a compact waterjet machine that can cut a range of materials up to 1-inch thick. It is well-suited for small job shops, engineering classrooms, makerspaces and hobbiest use.

 

 

 


mass finishing at PRI

Mass Finishing Inc. (MFI) offers centrifugal barrel finishers used to deburr and polish parts. MFI says a part that might take four hours to finish in a vibratory tumbler can be completed in 20 minutes using its system. The concept is similar to a Ferris wheel, in which parts and media are installed in barrels that rotate as the turret rotates. This motion causes parts and media to contact each other, smoothing part finish.

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