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Belt superfinishing is the topical technology to optimize processing when it comes to the microfinishing of surfaces to achieve a consistent finish over the entire surface with constantly indexed microngraded single layer abrasives.
Operational area
LOESERhas accumulated a great deal of superfinishing process experience through years of research and development on a large variety of materials such as: hard chrome and tungsten carbide coatings, high density metals, aluminum, copper, rubber, ceramic, plasma coated materials and many others.
Many applications
Printing rollers, rubber rollers, rollers for foil rolling, feed rolls, rocker shafts, piston rods, rollers for copying machines, pneumatic pistons, pistons for pneumatic springs, valve slides, control levers, valves, printer axles, diesel engine rocker shafts etc.
LOESER has in programm:
Belt Superfinsh Cenertype machines
Belt Superfinish automatic machines
Belt Superfinish-ttachments
Modells for Diameters up to 400 mm, 600 mm, 1.000 mm
and scecial machines
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Belt superfinishing is the topical technology to optimize processing when it comes to the microfinishing of surfaces to achieve a consistent finish over the entire surface with constantly indexed microngraded single layer abrasives.
The superfinish attachments are stand alone systems which can be used for finishing of flat and cylindrical parts with microfinishing or lapping film made of diamond, cbn, silicon-carbide, aluminium-oxide or chrome-oxide on every lathe.
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Machine suitable for grinding, satin finishing and linishing operations on square and rectangular tubes or bars, but also on sheets and plates made of stainless steel, iron, aluminium, brass and other metals. Particolarly suitable for DEBURRING operations on plasma/laser cut or sheared sheets.
This unit can be supplied in 3 DIFFERENT VERSIONS:
- n° 1 “A” module + n° 1 “B” module
- n° 2 “A” modules
- n° 2 “B” modules
Machine grinding process is “WET”: cooling mixture is sprayed on the workpiece under process and conveyed into a fi ltering device (Pic. 1 ) to clean it up from residuals.
ON REQUEST this machine can be supplied with following equipment: - dust collection cap for “DRY” processing - abrasive belt double cutting speed - air blower for parts drying - front / rear rollers table ( 3 mt. module) to hold workpieces on both machine entrance and/ or exit
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Machine LDT/1000.
Special machine to polish small items made of brass, steel, Plexiglas etc, such as pipes, caps, rings etc. The pieces can have a length between 50 and 1000mm.
The first working piece is clamped between 2 live centers (mounted on a 3 position dividing table). At every rotation of the dividing table, a piece (situated into the load position) moves to the first working station (rough machining), where it starts turning; the piece in the first working station moves to the second one (finishing), while the piece situated into the second station returns into the load position, than it is picked up and replaced with a new working piece. Each working group is equipped with 2 slides, the one allowing the approach of the polishing brushes to the piece, the other allowing the longitudinal sliding of the brushes in the 2 directions. The working cycle is controlled by a timer and the rotation of the pieces by an adjustable speed motor.
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ACCU-FINISH roughing and finishing, Roughing & finishing simultaneously with seperate independent set-ups, Two separate variable speed 1HP spindle motors, 1-spindle & 3-spindle configuration, two separate safety foot pedal switches, Self-contained coolant systems, Heavy-duty welded construction, 230 VAC, 3PH, 60HZ power inlet.
Optional Machine Features:
Flexible & application-specific part fixturing, User friendly touch screen CNC controls, Independent precision guided fixture tables, 1.5 & 2.0 HP spindle drive systems, AUTO-TORQUE self-regulating ACCU-HONE reciprocating & expanding rough spindle, Ball screw driven table feed with programmable positioning, Automatic part transfer system between spindles, Automatic part loading & unloading, Various coolant filtration systems, In-process/post-process gaging systems available, Automatic tool compensation.
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Surface conditioning prior to surface coating or plating. Finishing of coated surfaces like HVOF spray coatings, chrome plated rolls, rubber coatings and ceramic coatings. Stripping of hard materials like ceramic or chrome plated printing rolls for quick rework. Fine superfinishing of rotogravoure rolls prior to copper plating or engraving. Grinding, polishing, superfinishing and microfinishing of pressure rolls, sleeves, anilox rolls or printing rollers used in the graphic industry
Center type dechrome, grind, polish and superfinish system
Workpiece diameter up to 500 mm / circumverence 1500 mm
Workpiece length 3000 to 8000 mm
Workpiece weightup to 2500 metric kg
Special sensible precise pressure adjustments for the finish process which is required for anlilox rolls and laser engraved nikel rolls.
Optional turning device
Optional corner and side grinding head
For dechrome operation in the printing industry
Optional automatic measuring tool for diameter
Siemens controls with NC controller
Axis control for convex or concave grinding operation
Enhanced tolerance optimization by software
Wet grinding system with closed loop filter
Dry grinding system with enclosed machine and dust extraction
HSD system is available in open design and enclosed design for
highest demands in safety, quiet comfort and clean environment
Special versions in corrosion proof design
Optional automatic load and unload systems by crane
Optional process control connection for automated production cells
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