MEIRI INTELLIGENT MACHINERY / MRCM Tool Grinders and Clamping Tooling

MEIRI INTELLIGENT MACHINERY / MRCM industrial tool grinding machines, CBN grinding wheels, and ER collet systems: technical selection for metalworking workshops.

MR-13 and MR-26 Portable Drill Bit Re-sharpeners

MEIRI (MRCM) portable drill bit grinding machines across model series MR-13A, MR-13D, MR-20G, and MR-26D restore twist drills from 3 to 30 mm diameter. The rigid base provides accurate point angle positioning from 90 to 135 degrees with balanced lip relief and web thinning geometry.

Calibrated point angle indexing from 90 to 135 degrees for high-speed alloy steel
Accurate web thinning port reducing axial drilling forces during machine feed
Standard precision ER collet assortment with quick-lock tightening nut assembly
Interchangeable CBN grinding wheels for tool steel and diamond SDC wheels for carbide

MR-X1 and MR-X3 End Mill Grinding Machines

MEIRI (MRCM) model series MR-X1, MR-X3, MR-X6, and MR-X7 sharpen solid carbide and high-speed steel end mills from 4 to 20 mm diameter with 2, 3, or 4 flutes. The rigid spindle alignment restores primary cutting edges, end relief angles, and gash land angles with repeatable precision.

Sharpening alignment for 2-flute, 3-flute, 4-flute, and 6-flute milling tools
Calibrated indexing stops ensuring balanced tip edge symmetry across all flutes
High-torque electric motor operating at 4400 rpm for uniform surface finish
Dedicated toolholder sleeves and precision collets for rapid cutter centering

MR-AE Multi-Axis CNC Tool Grinding Centers

MEIRI (MRCM) automatic CNC grinding centers including MR-AE20, MR-AE30, and MR-AE32 execute programmed re-sharpening for cylindrical, corner radius, and ball nose end mills, step drills, and profile cutters. The CNC unit automates cycle parameters from imported tool geometry libraries.

Multi-axis coordinated kinematics for complex ball nose and radius cutters
Industrial touchscreen interface with preloaded cutter sharpening routines
Precision ball screws and digital servo drives across linear and rotary axes
Enclosed machining cabinet with connection ports for dust extraction ducts

MR-Y3 and MR-Y5 Screw Tap Re-sharpeners

MEIRI (MRCM) dedicated screw tap grinders including models MR-Y3, MR-Y3C, and MR-Y5 re-sharpen the chamfer lead of spiral flute and straight flute taps sized from M5 to M30. The indexing holder maintains symmetric chamfer relief angles and correct rake geometry across each flute.

Chamfer lead re-sharpening for straight and spiral taps with 2 to 6 flutes
Precision indexing locator ensuring uniform load balance across cutting flutes
Adjustable lead angle settings compliant with ISO, DIN, and metric standards
Rotary indexing head with micrometer feed control against the grinding wheel

CBN and SDC Precision Grinding Wheels

MEIRI (MRCM) cup and profile grinding wheels are engineered specifically for the brand tool sharpeners. Cubic boron nitride CBN wheels are utilized for high-speed alloy tool steels, while diamond SDC wheels deliver exceptional finishing on solid carbide milling tools and drill tips.

High-concentration CBN wheels for thermal-resistant processing of HSS tools
Diamond SDC abrasive wheels on resin and metal matrices for tungsten carbide
Accurate spindle arbor fit ensuring minimal radial runout during high-speed rotation
Long-lasting profile retention during multi-shift industrial sharpening cycles

Precision ER Collets, Chucks and Tooling Accessories

MEIRI (MRCM) precision clamping tooling includes specialized collet chucks, ER11, ER20, ER32, and ER40 series collets, clamping nuts, adapter sleeves, and machine vises. The tooling ensures accurate concentricity and repeatable angular registration during frequent cutter changeovers.

Precision ER spring collets with runout below 0.005 mm for concentric clamping
Dedicated toolholder chucks with flute indexing rings for 2, 3, 4, and 6 flutes
Hardened clamping nuts and reducing bushings matching various shank diameters
Precision rotary vises and dividing heads for multi-angle workshop operations

Point angle and web thinning geometry on MRCM drill sharpeners

Drill bit re-sharpeners from MEIRI (MRCM) across series MR-13 and MR-26 feature a calibrated swiveling fixture allowing continuous point angle adjustment between 90 and 135 degrees depending on workpiece hardness.

The grinding process sequences primary cutting lips followed by lip clearance angles to guarantee smooth chip flow without tool rubbing. A dedicated secondary port executes web thinning to reduce axial thrust during drilling by up to 45 percent.

Regular tool maintenance restores cutting efficiency and protects machine spindles from torque spikes.

End mill flute indexing and secondary relief sharpening procedures

End mill re-sharpening across MEIRI (MRCM) model series MR-X1 and MR-X3 relies on independent positioning for end teeth, peripheral flutes, and secondary relief facets. Toolholders equipped with index pins for 2, 3, 4, and 6 flutes maintain symmetric cutting forces during milling passes.

The high-speed spindle runs at 4400 rpm, yielding refined surface finishes on cutting lips without heat deformation. Proper relief grinding prevents chip accumulation at the tool center when ramping into solid material.

Kinematic multi-axis CNC interpolation on MR-AE tool grinders

Multi-axis CNC grinding machines from the MEIRI (MRCM) MR-AE series automate profile re-sharpening for complex radius cutters and ball nose mills. CNC software routines guide the grinding wheel along interpolated tool paths with micron-level repeatability.

Programmed wheel dressing maintains contour accuracy across large cutter batches. The enclosed structural shield encloses the machining zone, connecting to workshop dust collection ducts for clean operation.

Chamfer lead restoration on straight and spiral screw taps

Machine taps experience cutting edge failure primarily along the chamfer lead. MEIRI (MRCM) tap sharpeners MR-Y3 and MR-Y5 recondition spiral flute and straight flute taps by locating flutes against a spring-loaded indexing guide.

The swiveling fixture grinds symmetric relief angles across every lead tooth, ensuring smooth thread entry without tapping deflection. Micrometer feeding allows minimal material removal, preserving tap sizing teeth for repeated shop usage.

Diamond SDC and cubic boron nitride CBN wheel selection criteria

Grinding performance depends directly on matching the abrasive wheel to the cutting alloy. MEIRI (MRCM) sharpeners utilize cubic boron nitride CBN wheels for heat-resistant high-speed steels and cobalt alloys.

For solid carbide tooling, diamond SDC wheels deliver razor-sharp cutting edges without micro-chipping. Precision wheel hub balancing prevents spindle vibrations and protects bearing assemblies during extended shop shifts.

Spindle runout inspection and ER collet maintenance protocols

Precision ER collets and dedicated chuck bodies from MEIRI (MRCM) maintain concentric alignment when setting cutters into grinding ports. Precision collet manufacturing limits radial runout below five microns, ensuring uniform stock removal across all flutes.

Routine maintenance includes cleaning taper seats from grinding sludge and verifying clamping torque with a torque wrench. Interchangeable adapter sleeves permit rapid setup across multiple tool shank diameters.

MEIRI INTELLIGENT MACHINERY / MRCM and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of MEIRI INTELLIGENT MACHINERY / MRCM and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.