AXIS + Cutting Tools with Super Finishing

AXIS + Cutting Tools with Super Finishing

AXIS Tools for mICRO mACHINING – We offer tooling solutions for Precision Machining for a wide range of applications and demanding materials.

We use advanced manufacturing methods combined with unique Swiss technology – MMP Technology- to make AXIS+ Cutting tools with Super finishing.

AXIS Plus integrates High Precision Tools manufactured at our facility with a state-of-the-art unique, proprietary in-house super-finishing treatment, to create an unique,unparalleled product.

The MMP Technology can continually reproduce mirror-like finishes with unrivaled aesthetic consistency and technical precision. The technology delivers these results even on some of the most complex geometries.

The results are both uniform and reproducible. The unique ability of the Micro Machining Process MMP to selectively target roughness can dramatically impact the performance and tool life of specialized cutting tools. 

Cutting edge and surface preparation before and after coating leads to significant improvement in performances.Tool life can be enhanced as chips do not get stuck and tool change times dramatically reduced. Overall cost reductions are possible with small increase in product prices.

AXIS+ tools offer the following benefits:

AXIS+ Technical Benefits :

– Reduced flute friction, drastically improves chip evacuation

– Reduced Heat Generation due to smooth cutting

– Controlled and repeatable edge honing

– Enhanced adhesion of thin coatings ( PVD and DLC) due to superior surface preparation

– Improved finish post PVD coatings as MMP removes coating defects

– Superfinishing of customized Diamond coatings by MMP Technolgy improves the performance of the tools especially when machining graphite and modern composite , such as CFRP

AXIS+ Advantages :

– Increased tool life

– Reduced cutting forces

– Increased homogeneity

– Narrow service life deviation

– Superior reproducibility

– Well suited to use on complex geometries

AXIS+ Range of Tools :

– Micro Drills

– Micro Endmills

– Ultra Long Drills

– PVD Coated Tools

– CVD diamond Coated Tools

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AXIS NexGen : Innovation in Ultra Micro and Micro Drills

Micro-Drilling with AXIS Micro drills

Generally creation of very small holes 0.5 millimeters or less is defined as Micro Drilling. Micro-drilling is growing at fast pace as parts and systems are miniaturized and new products are created, especially in the electronics, medical and micro-mechanical. 

Many large workpieces also require ultra small holes 

This process is significantly different to conventional drilling not only in the size of the holes, but in the methods used to drill them. 

Micro holes generally have extreme tight tolerances for depth, diameter, straightness and

hole wall finish.

Breaking through the threshold of >3.00 mm diameter means that machining get much more precise needing disciplined drill room to make it work well.

Micro-drilling requires very controlled work environment and tight process control.

Drilling machines that have very high sensitivity and fine resolution in the feed axis. Machines must also have very precise spindles capable of high – speed rotation with low dynamic runout <0.003mmm or lower.

Specialised machines have been developed specifically to perform

micro-drilling /micro-machining operations.

Generally Micro-drills have common shank with shanks ranging from ~3 / 3.175mm /4mm diameter(sometimes 1.00/1.50/2.00 ) shank sizes and Overall lengths ranging from 25/30/32/35/38/40/45/50 mm

Tools should be held in Ultra Precision collets .

Key to efficient micro-drilling is the drill’s ability to produce even wear across all cutting edges in order to reduce cutting forces required for chips evacuation and prevent chips from welding themselves to the flutes. Therefore, the surface finish on these drills must be ultra fine.

Matching the material to be drilled to the cutting tool is similar to conventional drilling operations except that in micro-drilling, the cutting edges must be very sharp and dead on center. Micro-drills do not have structural integrity to punch/bull their way through a workpiece.

Micro-drill makers influence the performance of tools in different materials by varying the geometry of the drill, tool materials and Coatings.

Once the process basics for micro-drilling are in place, feed control, spindle and toolholder runout; cutter material and geometry; and cut data—micro boring and reaming to hold <3 microns tolerances are reachable.

Deep hole drilling with micro-tools is improving as the cutting tools machines and techniques improve. 

Possibilities range from l/d of 10 /15 which are standard to even 30/40 are possible under certain application conditions and materials with peck-drilling.

Center drills with a reverse diameter tolerance (i.e. +0.004 mm/ -0) rather than the standard tolerance in the opposite (negative) direction provide a pilot hole for deep drilling operations. This operation allows the long and structurally weak drill to enter a slightly oversize hole to prevent bending and breakage.

Thru Coolant drills are available from 1.00mm and even down to 0.50mm drill dia from AXIS and few high end manufacturers.

Micro-drilling can be used very effectively in volume production both in workpiece quantities and number of holes per part with quality Micro-drills

Handling Micro-drills that are smaller than a human hair requires not only new machining process considerations, but understanding the need for gentle handling of these fragile cutters. Using micro-drills is learnable skill which comes with experience. This has achieved excellence in producing High Precision mICRO Tools for Precision. CNC machining of High end Jewellery markets like Antique engagement rings We understand the need of machining soft to difficult to machine material which includes Wax Milling, Titanium, Platinum and Gold with precise design, consistency and accuracy. AXIS NexGen Micro Tools encompasse application specific geometries, designs, Controlled Edge preparation with High Performance NexGen coatings and MMP Super finishing.

AXIS NexGen : Innovation in Ultra Micro and Micro Drills

AXIS has extensive experience, technological expertiseto craft wide range of High Precision Micro-Tools with unique geometries ,designs and close tolerances to machine emerging / challenging job materials and which demand extremely close tolerances

AXIS NexGen Micro Drills encompasse application specific Drill designs, Ultra fine Tungsten

Carbides, Controlled Edge preparation and balanced Micro geometries, with High Performance NexGen coatings and MMP Super finishing.

AXIS Micro Drills start from ø0.020mm (20 microns) to 3.00mm and ultra close tolerances and extremely fine finishes hitherto unseen.

Family of 6 NexGen Micro Drill  variants are designed specifically for machining Steel / CI,Stainelss steels, Copper / Brass, Aluminium, Titanium, Plastics / Soft material, Graphite / Green Ceramic and hardened steel applications in Micro mechanical, Automotive, Medical, Horology and Aerospace domains.

Stainless steel : This material is commonly used for manufacturing parts for the Aerospace,

Medical, Horology. This is difficult to machine material for which we have optimized range of Micro drills with balanced geometries , edge stabilization, Ultra fine Carbide grades and NexGen Coatings.

Aluminium : To meet the machining needs of this Aluminium we have developed the

geometries with wider chip space and polished flutes.

Plastic and Soft materials : Plastics are finding more use in day-to-day. Considering the low melting point of this material and burrs issue can be faced while machining platics. So selection of perfect tool is very important. AXIS has special geometries with optimized point

angle, sharp cutting edges and polished flutes.

Graphite / Green Stage Ceramic Machining : As graphite is abrasive and brittle in nature, resulting into difficult machining. Graphite Electrodes used in EDM need to be precise and accurate. AXIS offers tmicro-drills with close tolerances and highly uniform CVD Diamond Coating resulting into high quality and precise machining of graphite electrodes and green stage ceramics.

Hardened Steels : During the machining of Hard parts Tools wear is very fast because of high heat generated during machining. Its machining requires special edge stabalisation treatment on cutting edges along with  strongly adhesent  coating which can reduce heat

generation during machining. Our In-house smooth Coatings and special capability to ensure controlled edge stabilisation adds an additional feature to AXIS micro-drills to meet exacting application needs.

Coolant Hole Drills :  Super finishing on flutes   for faster chip flow, Special margin which support and guides the drill while drilling long holes,  Curved cutting edges for small and curled chips , Special flute form for superior chip flow,  Through coolant holes at  optimised

locations to ensure correct pressure and volume of coolant to cutting edge are hall mark of AXIS Coolant hole drills. AXIS offers thru-coolant Micro-drills from 0.50mm diameter.

Team AXIS with >30 experience in Micro-drilling offers solutions and application advice for optimized performance.