Roberts Automatic Products Incorporated
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OUR CAPABILITIES

   Roberts Automatic prides itself on our diversity of equipment. From large, 2-5/8 Acme-Gridleys, to high speed Davenports and Gildemeisters, to precision Mazak and Hitachi CNCs, we can handle most any job. Give us a call at (952) 949-1000 and let us show you the best way to meet your requirements. We will respond with a timely quotation.

AUTOMATIC SCREW MACHINES

    Whether you need a long or short run, a simple or a complex part made of brass, stainless steel, carbon steel or aluminum materials, we can meet your needs with our broad range of automatic screw machines.

    Our screw machines are supported by a complete tool making department with a wire EDM machine and CNC tool grinder. This provides shorter lead times on new parts and print changes, higher productivity, tighter tolerances and better quality.

    We pride ourselves on running parts to print on our automatics that others must take exception to. We often hold tolerances on the screw machines that normally require secondary operations. Our screw machines are maintained by their operators as part of our comprehensive, preventative maintenance program. All are kept in excellent condition to support our high levels of quality, precision and productivity.

Euroturn & Gildemeisters

 Designed to produce the tightest toleranced and most intricate parts.
 Combines precision with speed and versatility.
 Up to 1-1/4" diameter capacity with 5000 RPM precision spindles.
 Independent cross slides and end slides with 4 compound slides.
 Adjustable cams and steplessly variable feeds and speeds.
 IEMCA bar feeder.
 Pick-off attachments for back end work.

Acme-Gridleys

 Excellent for intricate parts and jobs that require heavy stock removal.
 Our Acme's are fully equipped with features such as pick-off's, spindle-stopping and double threading positions.
 Diameter capacities from 3/16" to 2 5/8" round.

Brown & Sharpes

 Ideal for short runs as well as longer parts such as shafts.
 LIPE magazine bar feeds increase efficiency.
 Excellent for secondary operations.

Davenports

 These lightweight, high-speed machines are ideal on medium and high-volume parts with capacities from 1/16" to 7/8"
 A wide variety of attachments can handle complex machining operations such as slotting, cross-drilling and milling during the machining cycle.
 Pick off attachments and spindle-stopping add to the versatility of these machines.
 Automatic bar loaders increase the productivity of the Davenports.

CNC

   We are dedicated to finding the most efficient ways to meet your machining needs. For higher precision and more complex parts, we utilize CNC multi tasking machines, and CNC vertical machining centers. Our CNC equipment can make parts complete from bar stock, slugs, castings, or finish screw machine blanks.

   When we combine the efficient stock removal of screw machines with the precision and complexity of the CNC machines, the result is a part that exceeds customer expectations on cost and quality.

    When appropiate, our secondary operations are done in cells utilizing CNC and conventional equipment. This reduces part handling and through-put time, while improving quality.

   Our CNC capabilities allow us to competitively run short production and prototype runs. They can also handle parts of tough materials such as Inconel and exotic carbon stainless steels. Click HERE to view a list of the materials with which we have prior experience. Our powerful lathes can handle sawed slug stock up to 8" in diameter. Several of our VMC's have pallet changers, for optimal productivity.

SECONDARY OPERATIONS

   We bid and run our secondary operations with the aid of the Methods Time Measurement system of production estimating. This ensures you of more accurate quotes and more efficient production.

 Internal and external high-speed vertical broaching. 8 Ton capacity and 24" stroke.
 Thread rolling, knurling, burnishing, ballizing and coining. Threads can be rolled from a #8 to 1 1/2" thread and up to 2" long.
 Multiple-hole drilling and tapping.
 Component assembly.
 Milling and slotting.
 EDM fast hole drilling.
 MSO rotary transfer machining.
 Brown & Sharpe chuckers.


   Our engineering and quality expertise combined with our certified supplier base, allows us to take full responsibility for heat treating, plating, grinding and other services.

If we can serve you in any way, please

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