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SUCCESSFUL APPLICATIONS
APPLICATION
Processing aim Deburring, surface smoothing after belt grinding and polishing of segments for surgical scissors
Process description Two-step vibratory process: Step (1) Deburring, surface smoothing. Step (2) Polishing. Loading/unloading by hand
Previous finishing method Vibratory process supplied by a competitor
WORK PIECES
Work piece name Scissor segments. Weight: (min/max) 4 - 6 ounces.
Material Stainless steel Dimensions (min/man) 2 x 6 x 0.3”
Manufacturing method Forging, grinding Condition of raw parts Grinding burs, relatively rough surface
Description Components for different kinds of medical/surgical scissors.
THE ROSLER SOLUTION
The Process Step (1): Deburring and cut down with fast cutting ceramic media Step (2): KeramoFinish smoothing & polishing.
Competition None
EQUIPMENT DETAILS PROCESS PARAMETERS
Machine/model 2 x flat bottom rotary vibrators w/o internal separation Compound Keramo paste / Standard cleaning compound
Equipment description One machine equipped for the special KeramoFinish paste polishing process
Media Type/SizeCut down: Fast cutting ceramic media. KeramoFinish: High density porcelain media
Post Treatment Drying Batch or Continous Batch
Waste Water Treatment By customer Batch Size About 300 pieces
Noise Protection Sound enclosing lid for cut down machine Process Time Step (1) 90 min. Step (2) 8 hours
Feed Rate Not applicable Capacity/hour About 30 pieces
Mass Finishing Success Story No. MFEH0004DE - Industry: Medical Instruments Deburring/surface smoothing and polishing of surgical scissor segments
finding a better way...Rosler Metal Finishing USA is the leader in mass finishing, shot blasting, automated processes and media - made in the USA. Visit www.rosler.us or call 269-441-3000 for more information.
Special features of rotary vibes:
• Flat work bowl bottom for gentle processing of delicate parts.
• No internal seperation device, finished work pieces are removed by hand to avoid nicking.
Keramo Finish is a combined surface smoothing/polishing process utlilizing special grinding/polishing pastes with high density porcelain media. Keramo creates extremely fine mirror polishes with surface readings of Ra = 0.8 micro-inches (0.02 )
Surface readings pre Keramo (after pre-grinding):
Ra = 8 micro-inches (0.2 )
Surface readings post Keramo: Ra = 0.8 micro-inches (0.02 )