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{"title":"Robotic Polishing Equipment Metal Buffing Grinding Machine Surface Treatment","imgUrl":"https:\/\/img.chinax.com\/nimg\/01\/70\/eb9c400ac1300844d24aea528086-200x200-1\/robotic_polishing_equipment_metal_buffing_grinding_machine_surface_treatment_turnkey_solution.jpg","attrs":{"Production Capacity":"Up to 50 pieces per hour","Brand Name":"KINGSTONE","Power Supply":"220V\/380V","Machine Weight":"1500 kg"}}
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{"title":"Industrial Robot Polishing Machine Automatic Aluminum Stainless Steel Buffing","imgUrl":"https:\/\/img.chinax.com\/nimg\/84\/4c\/86d6e85a0fa478ba16840b90237c-200x200-1\/industrial_robot_polishing_machine_automatic_aluminum_stainless_steel_buffing_grinding_equipment_cell.jpg","attrs":{"Production Capacity":"Up to 50 pieces per hour","Machine Weight":"1500 kg","Dimensions":"2000 mm x 1500 mm x 1800 mm","Power Supply":"220V\/380V"}}
Frame Prep For Painting Robotic Grinding Machine For Aluminum Bicycle Frame Part
The Paint-Prep Bottleneck in Aluminum Frame Production
Every aluminum bicycle frame exits welding with weld beads, HAZ discoloration, oxide scale and seam steps that paint cannot hide. Before any coating — powder coat, wet paint, anodize-ready primer — the frame surface has to be ground, blended and conditioned to a consistent roughness the paint can grip. By hand, that means a skilled grinder working every seam of every frame, producing results that vary shift to shift and operator to operator. Paint adhesion failures and re-works follow. Our robotic frame-prep machine puts every weld seam through the same controlled process — consistent Ra, every frame, every shift, ready for the paint booth.
Weld Seam Grinding — The Critical First Step
Aluminum TIG/MIG welds leave a raised bead, oxide layer and HAZ transition that are both visually and adhesively incompatible with topcoat. Grinding the seam is not optional — it is the foundation of every paint job on an aluminum frame.
Consistent Ra for Flawless Paint Adhesion
Paint adhesion starts at the surface profile. Too smooth and the coating slides; too rough and it telegraphs through. Manual grinding delivers whatever Ra the grinder happened to leave — typically inconsistent across a single frame, let alone across a batch.
Controlled Ra output: Ra μm for powder coat / wet paint adhesion
Consistent Ra across every weld zone, every tube, every frame
Surface profile documented per batch → quality records for your paint line
Paint adhesion failures eliminated at the source
Rework rate at paint line down by significant percentage
Uniform base = better topcoat appearance & durability
Thin-Wall Tube Protection
Bicycle frame tubes run thin — 0.5-1.5 mm wall on seat stays and chain stays. An aggressive grinder burns through in seconds; a tired hand grinder does so unpredictably. The force-controlled head reads contact pressure in real time and backs off instantly when wall resistance changes — grinding seams to zero without thinning the parent tube.
Frequently Asked Questions
Q1. Can the cell process both whole frames and individual tube parts?
Yes — frame fixtures hold the complete assembly; tube fixtures handle individual parts in batch. Quick-change between modes in minutes.
Q2. How do you protect thin-wall chainstays and seatstays from burn-through?
The force-controlled head backs off instantly when wall resistance changes, keeping grinding depth inside the safe envelope for walls from 0.5 mm.
Q3. What Ra can you achieve for powder coat or wet paint adhesion?
Consistent across every weld zone, every frame. Surface profile is documented per batch for your paint line records.
Q4. How do you handle aluminum dust explosion risk?
The enclosed cell with explosion-proof dust collector contains aluminum fines at the source; cell components are grounded to prevent static ignition.
Q5. Can the cell switch between road, MTB and gravel frame geometries?
Yes — quick-change fixtures and offline programming switch between frame models in minutes.
Q6. Can you run a trial on our actual frames or parts?
Yes — we process your real frames or tube parts and return Ra measurements, cycle time and consumable cost before you commit.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2010
Total Annual:
150000-1000000
Employee Number:
80~105
Ecer Certification：
Verified Supplier
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