Deburring
Remove sharp edges and EDM recast without altering critical geometry.
Mould Construction & Die Casting
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Tool & Mould
Low-vibration precision
Fields of Application
Finishing systems for tool, mould and patternmaking
Tool and mould makers work inside cavities where access is tight, surfaces must be flawless and every cut affects part quality and die life.
LUPFIGS supplies matched SUHNER micro-motor, flexible-shaft and abrasive systems for cavity work, engraving and detailed surface correction — helping pattern shops and die casters achieve clean radii, sharp detail and consistent polish without chatter or heat damage.
Industry Demands
What mould and die finishing requires
Every cavity, core and pattern surface places strict limits on access, vibration, heat input and final texture.
Cavity AccessCompact handpieces and extensions for deep pockets, undercuts and narrow ribs
Low VibrationStable micro-motor drives for fine milling, blending and mirror polish without chatter marks
Fine DetailEngraving, edge work and local correction on lettering, logos and parting lines
Heat ControlCorrect speed and abrasive selection to protect hardened tool steel and coatings
Surface Finish for ToolingDocumented grit sequences that support release, appearance and die service life
Typical Work Areas
Where our systems are used
From cavity polish to pattern correction and trial support, each stage needs a different combination of drive, handpiece and abrasive.
01
Cavity Finishing
Deburring, blending and polish inside mould cavities
Controlled material removal on EDM surfaces, machined ribs and parting faces where uniform texture and clean radii are essential.
Blending
Smooth transitions between machined, ground and spark-eroded zones.
Polish
Progressive grit sequences for specified cavity texture and gloss.
02
Engraving & Detail
Fine milling and edge work on mould features
Lettering, logos, vent details and local geometry corrections demand stable, low-vibration tools with carbide burrs and mounted points.
Fine Milling
Local stock removal on inserts, slides and shut-off surfaces.
Edge Work
Crisp definition on parting lines, vents and engraved features.
Detail Correction
Targeted rework after trial shots or wear without full re-machining.
03
Die & Pattern Correction
Surface correction on dies, patterns and cores
Repair and refinement of casting dies, forging dies and pattern surfaces after machining, welding or production wear.
Weld Blend
Fair welded repairs into surrounding hardened surfaces.
Surface Restore
Remove scratches, pits and oxidation before re-polish.
Fit Adjustment
Local material removal to correct shut-off or draft issues.
04
Trial Support
Application advice and on-site finishing support
First-shot trials often reveal texture, flash or release issues that need rapid, controlled hand finishing at the bench or in the tool room.
Process Matching
Select drive, handpiece and abrasive for the steel grade and required finish.
Trial Runs
Test grit sequences and speeds before full cavity polish.
Operator Guidance
Training on posture, pressure and consumable change intervals.
Recommended Systems
Tool platforms matched to mould work
Select the drive and abrasive combination that fits cavity depth, material hardness and required surface texture.
Precision
Micro Motor / SUNmic
Low-vibration handpieces for fine milling, engraving and cavity polish.
Flexible Drive
MINIFix / Flexible Shaft
Compact drives with varied handpieces for deep cavities and awkward angles.
Consumables
Carbide Burrs & Points
Mounted points, stones and fine abrasives for tool steel and coatings.
Air Tools
Pneumatic Tools
Compact grinders and detail tools for production tool rooms and die shops.
Application Approach
Build a controlled mould finishing process
We help tool rooms define a clear sequence from cavity assessment through to validated surface texture.
01
Inspect Cavity
Map geometry, draft angles, texture zones and areas needing correction.
02
Select Handpiece
Match reach, speed and vibration level to cavity depth and feature size.
03
Progressive Removal
Sequence grits and abrasives for controlled stock removal without heat build-up.
04
Detail & Polish
Complete engraving, blending and final polish to the specified texture or gloss.
05
Trial & Validate
Confirm fit, release and appearance with trial shots and documented methods.
Technical Resources
Continue with products and catalogues
Review the micro-motor, flexible-shaft and abrasive ranges most often specified for mould construction and die casting.
Working on a mould or die application?
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