Tyrolit
Tyrolit Elastic Mounted Points | Flexible Abrasive Points for Mold & Die Polishing
Tyrolit Elastic Mounted Points are precision finishing tools consisting of an abrasive-impregnated rubber or polymer bond molded onto a steel shank, designed for the delicate, controlled polishing and blending of dies, molds, tooling, and precision components. The “elastic” nature of the bond allows the point to deform slightly under pressure, conforming to the workpiece surface and producing a uniformly polished finish without the gouging or dimensional alteration that rigid mounted stones can cause. Tyrolit elastic mounted points are available in a vast assortment of shapes—ball, cylinder, pointed cone, inverted cone, wheel, and tree forms—and in abrasive grits from coarse stock removal to super-fine finishing that produces near-mirror surfaces. The self-sharpening characteristic of the bond ensures that fresh abrasive grain is continuously exposed as the point wears, maintaining consistent cutting action and surface finish over extended use. Die and mold makers, toolroom machinists, EDM electrode finishers, and medical device manufacturers rely on Tyrolit elastic mounted points to achieve the surface finish specifications—often measured in fractions of a micron Ra—that determine molding release, part appearance, and tool longevity. The range includes dedicated points for tool steel, hardened steel, carbide, ceramic, and non-ferrous materials, ensuring optimal cutting chemistry for each workpiece.
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Elastic Bond for Gouge-Free Polishing
The flexible rubber/polymer bond yields slightly under pressure, preventing the gouging, digging, and edge rounding that rigid vitrified mounted points can cause on delicate mold surfaces and precision edges.
Self-Sharpening Throughout Tool Life
Controlled bond erosion continuously exposes fresh, sharp abrasive grain, maintaining consistent cutting speed and surface finish without the need for intermittent dressing.
Comprehensive Shape Range for Every Die Feature
Ball, cylinder, cone, wheel, and tree shapes in multiple sizes cover all mold and die geometry—ribs, bosses, radii, draft angles, and textured surfaces—enabling complete polishing with a single tool system.
Material-Specific Abrasive and Bond Options
Different abrasive types (aluminium oxide, silicon carbide) and bond hardnesses are matched to tool steels, hardened steels, carbide, ceramics, and non-ferrous metals for optimal cutting efficiency.
Shaft-Mounted for Immediate Use
All points are supplied with integral steel shanks in standard 3 mm, 6 mm, and 1/4" diameters, fitting directly into die grinders, flexible shaft tools, micromotor pens, and CNC spindle chucks.
Predictable Surface Finish Control
Consistent grit size distribution and bond quality ensure that the Ra surface roughness target is achieved repeatably from point to point and batch to batch—critical for regulated industries like medical device and aerospace.
Why Tyrolit Elastic Mounted Points Are the Gold Standard in Mold and Die Polishing
Mold and die polishing is a high-skill, high-value operation. The surface finish of the tool directly determines the surface finish of every part it produces—and rework of a damaged die cavity can cost tens of thousands of dollars in downtime and repair. Tyrolit elastic mounted points provide the combination of controlled material removal and tactile feedback that skilled polishers demand. The bond technology, refined over decades of collaboration with the European toolmaking industry, ensures that the point cuts freely without generating excessive heat that could induce micro-cracking in hardened steel surfaces. The elasticity of the bond also dampens vibration transmitted to the operator’s hand, reducing fatigue during the long polishing sessions typical of large injection mold finishing. For automated polishing applications, Tyrolit elastic points in CNC-compatible shank diameters provide the process consistency and tool life predictability required for lights-out finishing operations. The result is a tool that enhances both the craft of manual polishing and the efficiency of automated surface finishing.
Selecting the Right Elastic Mounted Point for Specific Mold Finishing Tasks
The selection matrix for elastic mounted points considers the workpiece material hardness, the feature geometry, the starting surface condition, and the target finish. For rough stoning after CNC milling of P20 mold steel, a coarse-grit cylinder or tree point with a harder bond removes milling marks rapidly while maintaining flatness. For semi-finishing of H13 hot-work steel, medium-grit ball and cone points are selected for their ability to follow complex cooling channels and fillets. For final finishing of carbide dies and punches, silicon carbide abrasive points with soft bonds provide the delicate touch needed without edge deterioration. Tyrolit also supplies super-soft points for the final “velvet” finishing step on optical molds and medical device tooling. Application guides and grit-size-to-Ra-value reference charts are available to help toolroom managers and polishers select the optimal point for each step in the finishing sequence.