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Forge & Foundry, Part 9 – Frequently Used Shot Blasting Machines for Forgings, Non-Sand Castings, and Powdered Metal Components

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Rosler Metal Finishing has worked in the forge and foundry industries for decades. With more than 80 years of experience, we have developed sophisticated shot blasting systems for countless work pieces including forgings, non-sand castings, and powdered metal components.

 

Our Forge & Foundry Blog Series continues with an overview of our shot blasting machines most frequently used on these specific types of work pieces.

 

It is important to understand your work piece and process requirements including whether components will be processed continuously or in batches. When it comes to finishing forgings, non-sand castings, and powdered metal components, our shot blasting machines are divided into three categories based on how the work pieces are fed into the machine: continuous, batch, and specially engineered shot blasting machines.

 

Continuous Shot Blasting Machines

 

RMBD Continuous Tumble Belt Machine

 

Rosler RMBD Continuous Tumble Belt Machine

 

The high-capacity, continuous feed RMBD is available in a heavy-duty version for large forgings and castings, which is equipped with 6 x 40 HP turbines, a steel-slatted work piece transport belt, and a magnetic separator.

 

 

Work pieces processed by Rosler's RMBD

 

Ideal Work Pieces — Large volumes of small- to mid-sized work pieces such as connecting rods, transverse car links, parts for automatic transmissions, locking systems, brake pads, oil pans, cylinder head covers

 

RHBD Continuous Spinner Hanger Machine

 

Rosler RHBD Continuous Spinner Hanger Machine

 

With an overhead monorail trolley transport system, the RHBD is capable of processing single, large, and heavy work pieces in continuous feed mode while batches of small- to mid-sized work pieces can be placed on a special work piece fixture shaped like a Christmas tree. The special foundry version features extra wear-proof lining in the blast chamber and a magnetic separator.

 

Work piece processed by Rosler's RHBD

 

Ideal Work Pieces — Forged levers, crankshafts, impellers, large pistons

 

RDGE Continuous Wire Mesh Belt Machine

 

Rosler RDGE Continuous Wire Mesh Belt Machine

 

Work pieces pass through the shot blast area on a wire mesh belt, never touching each other during the shot blast process within the RDGE.

 

Work pieces processed by Rosler's RDGE

 

Ideal Work Pieces — Delicate mid-sized components such as chassis frame components for cars, housings, all kinds of gears, door pillars for passenger cars

 

Batch Shot Blasting Machines

 

RMT Multi-Tumbler Batch Shot Machine

 

Rosler RMT Tumbler Bast Shot Blast Machine Barrel

 

The RMT’s specially shaped rotary drum optimizes work piece mixing.

 

Work pieces processed by Rosler's RMT

 

Ideal Work Pieces — Very small to mid-sized, sturdy components such as bushings, fittings, small shafts, chain links, levers

 

RMBC Batch Tumble Belt Blast Machine

 

Rosler RMBC Batch Tumblast Machine

 

The heart of the RMBC batch machine is an endless belt made from rubber or steel slats forming a trough. Work pieces tumble intensively within the trough.

 

Work pieces inside Rosler's RMBC

 

Ideal Work Pieces — Relatively small and mid-sized, sturdy components including cast turbine blades, all kinds of fittings, small pump housings, shafts, small gears, springs

 

RHBE Batch Spinner Hanger Machine

 

Rosler RHBE Batch Spinner Hanger Machine with heavy-duty crane

 

An electric trolley running on an overhead rail, usually in the shape of a Y, drives the work pieces in and out of the RHBE shot blast machine.

 

Work piece processed by Rosler's RHBE

 

Ideal Work Pieces — Mid-sized to very large and heavy work pieces weighing up to 15 tons including very large crankshafts, gears

 

RDT Rotary Table Machine

 

Rosler RDT 250 Rotary Table Machine with an empty table

 

Single, large components or small batches of smaller work pieces are placed on a rotary table within the RDT and blasted from above.

 

A mold cleaned by Rosler's RDT

 

Ideal Work Pieces — Mid-sized to large, heavy components; frequently used for cleaning of forgings and other molds

 

RWK Turning Chamber Machine

 

Rosler RWK Swing Chamber Machine

 

The RWK is equipped with a circular chamber divided into two 180° sections with one section in the blast chamber and the other section at the load/unload station. After each cycle the chamber rotates 180° to allow for simultaneous loading/unloading and processing.

 

A bevel gear processed by Rosler's RWK

 

Ideal Work Pieces — Circular and semi-circular parts up to 48 in high such as drive shafts, bevel gear components, automotive wheels

 

RWT Turning Table Machine

 

Rosler RWT Turning Table Machine

 

Much like the RWK, the RWT includes a circular chamber divided into two 180° sections with one section in the blast chamber and the other section at the load/unload station. After each cycle the chamber rotates 180° to allow for simultaneous loading/unloading and processing. Differing from the RWK, the RWT is better suited for smaller, delicate work pieces.

 

Work pieces processed by Rosler's RWT

 

Ideal Work Pieces — Circular and semi-circular parts including sprockets, small drive shafts, small pistons, fuel pump wheels

 

Specially Engineered Shot Blasting Machine

 

RKWS Crankshaft Shot Blast Machine

 

Rosler RKWS 3 x4 Crankshaft Shot Blast Machine

 

Designed to blast clean various sizes of crankshafts, the RKWS features a carousel divided into three or four chambers to create multiple blast chambers and one load/unload station. Fully automatic operation is enabled with the use of robotic work piece handling.

 

Crankshafts before and after processing by Rosler's RKWS

 

Ideal Work Pieces — Crankshafts in lengths of 12-28 in and weights of 14-55 lbs

 

The Rosler Way

 

Backed by more than 80 years of experience, Rosler has the expertise to develop the right machine and process for your forgings, non-sand castings, and powdered metal components. Contact us today to learn how we can help improve your finishing processes and schedule a free sample processing in our test center.

 

The complete Forge & Foundry Series includes:

 

 

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