Catalog

GENERAL TURNING

The tools for internal and external turning are a part of Pramet Steel Age products. The tools for negatively placed inserts with P and D (M) clamping and positively placed inserts with S clamping represent the basic offer. The exchangeable and adjustable heads as well as adjustable holders for special tools are also available. The tools for turning of railway wheels also belong to heavy turning segment.

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D clamping is the most stable system of the insert clamping. The clamping stability is demonstrated by longer cutting edge life than with P clamping. D, M and P clamping (for negatively placed inserts with a cylindrical hole) are suitable for stable workpieces for roughing to finishing operations depending on the chosen geometry and insert shape. Easy chip evacuation from the place of cutting is also an unquestionable advantage of P clamping.

S clamping is a system of one-side positively placed inserts clamped by screw. Tools withS clamping are used for unstable, long and thin or thin-walled workpieces. This way of clamping is usually used at external and internal tools of small cross-sections. Internal tools with carbide shanks ensuring better quality of the machined hole are also a part of the assortment. An absolutely new segment of S clamping use is the field of heavy roughing where a lighter cut of positively placed inserts is used.

Cutting Off & Recessing

The offer of the tools for parting off and grooving is gradually being enlarged. The older generation of indexable cutting inserts, suitable mainly for material division, is being replaced by new types for lighter operation of parting off and grooving (LFMX) and for internal grooving and copy turning (LCMF). Similarly, the new T8330 grade with PVD coating from the new UP!GRADE line proves successful as a replacement of well-proven 8030.

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The GFI tools for the LCMF indexable inserts represent a modern solution for shallow grooving into depth corresponding to triple of the width of the indexable cutting insert. The assortment has newly been completed with GFM holders for the LCMR inserts corresponding to quintuple of the width of the indexable cutting insert and GFK tools and GFK holders for the LCMF cutting inserts of 2 mm width enabling parting off and grooving up to 16 mm depth. The tools for the LCMF inserts combine a possibility of grooving and copy (multidirectional) turning.

We offer the tools with theLFMX inserts for middle-deep and deep parting off and grooving. There are also geometries for fine and rough operations as well as inserts with straight and inclined cutting edge in the assortment. The offer of the inserts ranges from 1.6 mm to 6.35 mm.

A part of the offer is also a complete assortment for slot turning for lock rings (0.9 to 4.15 mm widths) and sealing rings (R0.5 to R1.5 mm). The inserts are clamped into holders for threading and they also have that kind of specification. Instead of lead of thread, the width of groove is given and the profile is ZZ specified (e.g. TN 16ER110ZZ). It is necessary to use a shim with ZZ specification or a tool with 0° inclination angle for grooving.

Thread Turning

Pramet offers tools for turning of external and internal threads and indexable cutting inserts with full profile for M, W, RD, API, TR, UN and ACME threads. The offer is completed with inserts with partial profile for 60° threads. The inserts are available in productive and universal grade8030 with PVD coating. We provide other alternatives such as thread profile, insert design or grade in the form of a special product.

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The basis of the offer is represented by all-ground indexable cutting inserts with full profile. Ground indexable cutting inserts are the best choice for low-carbon and corrosion-resistant steels but also for most of other materials. Pressed indexable cutting inserts (P1 specification) are used for turning of harder materials and/or for threading in holes.

Inserts with full profile are suitable for serial and repeated production. Partial profile is suitable for single-piece production because it covers a certain extend of lead of threads, e.g. 1.5 - 3 mm. Standard tools are used for lead of threads up to 3 mm included, but it is necessary to use a direct holder (S specification) for higher lead of threads.

It is necessary to select inclination angle of the indexable cutting insert correctly for a correct function of the tool. The correct inclination is ensured by shims with different inclination angles (external and internal tools) or it is fixed by means of tool design (internal tools).

Special Tools

We launched every year hunderts of new products, but they are not always to meet your requirements. Therefore, we are ready to design and produce special tools for machining of complicated application as well as tools to reach faster machining cycle. We compile for you complete solution.

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What you can expect from us:
- fast answer to Your request
- simple order
- delivery in agreed term
- complete construction tool information​

Cutting Inserts

Beside the tools, the UP!GRADE milling solution assortment also contains a wide range of indexable cutting inserts. There are a lot of materials and geometries available. The new generation of UP!GRADE grades have been placed into the assortment. In the field of milling, these are the MT-CVD coatings –M9315, M9325, M9340 and M5315. The MT-CVD line has been completed with indexable cutting inserts coated with the PVD method (M83xx line for copy milling; 82xx line for general milling).

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The MT-CVD grades with coatings are the most productive grades in milling. The M5315 grade is determined for milling of cast irons and light milling of heat-treated steels. The M93xx line is determined for universal use. The M9315 grade is determined for milling with high cutting speeds under the stable conditions; the M9325 grade is a tougher version. The toughest grade of the M9340 line is determined for milling under less stable conditions and especially for milling of corrosion-resistant steels.

The grades with PVD coatings are characterised with high flexibility. The8230 and 8240 lines are the most universal grades. The indexable cutting inserts made of this grade are able to machine soft steel, corrosion-resistant steels, heat-resistant steels as well as cast irons with a high number of impurities in the surface skin. The8240 grade is determined for the toughest cutting conditions and for very tough materials. We recommend using the 8215 grade for stable conditions and for milling of heat-treated steels and cast irons. M8310, M8325 and M8345 are entirely new grades, which replace the older line of grades for copy milling – 7010, 7025 and 7040 and others.

We offer our customers modern geometries of indexable cutting inserts hand in hand with productive grades. These are specified with F letter (fine and finishing milling), M (universal use) and R (rough milling).

Face Milling Cutters

The assortment of face milling cutters consists of the tools for plain milling (κr 45° to 75°). You can find here versions for productive and general milling. The assortment is completed with the offer of milling cutter for heavy rough milling (κr 57° and 60°). There are face milling cutters available from Ø 20 mm to Ø 315 mm in the offer according to the type and size of the indexable cutting insert. Shoulder and copy milling cutters (especially high-feed milling cutters) can also be used in this field.

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One of the most productive face milling cutters are the tools with the HNGX 09 indexable cutting inserts, which have 12 cutting edges. They are offered in 2 sizes (HNGX06 andHNGX09) and 3 geometries, therefore they can be used for roughing to finishing.

The HNEF and HNMF indexable cutting inserts with 12 cutting edges for milling of cast iron have been placed into the offer of face milling cutters. There are 2 lines of milling cutters with a high and very high number of teeth, which ensures a high productivity of the tools.

Currently, new tools for light operations and for machining of corrosion-resistant steels, difficult-to-machine materials (DTMM) and soft low-carbon steels have been placed into the offer. These are the tools of the MULTISIDE family and also milling cutters for SEET09 and SEMT09 inserts. The Penta HD milling cutters complete the offer of heavy roughing. They represent an economical version for depths of 5 to 10 mm and compete with their performance with tangential milling cutters.

Shoulder Milling Cutters

The 90° tools with one row of indexable cutting inserts for slot milling and shoulder milling from small depth (from milling cutter diameter of 10 mm) to the area of heavy roughing (up to diameter of 260 mm) are placed into this section. Productive milling cutters for Al and Al alloy machining with PKD (polycrystalline diamond) cutting inserts are also a part of this section.

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The tools and LNGX12 and LNGU16 cutting inserts have newly been added into the assortment for the field of economical 90° milling. The tools withLNG inserts are especially determined for shoulder milling and face milling. The tools with LNGX inserts can also be used for ramping into material, helical interpolation or perpendicular recessing into material.

The milling cutters with ADMX 11 and ADMX 16 inserts belong to the new generation tools. These inserts are characterised by significantly lower cutting force, improved solidity of the insert cutting edge and perfect stability even under unfavourable cutting conditions. A great advantage of ADMX inserts is a wide spectrum of operations, for which they can be used – quick ramping into material, helical interpolation or perpendicular recessing into material.

The tools for milling of aluminium and aluminium alloys and other non-ferrous materials are suitable not only for shoulder milling but also for plain milling operations. Application possibilities are given by the type of the XOEN 12 insert used. The maximum allowed cutting speed of 7 000 m/min enables to achieve very high productivity of work and thus to minimise the machining time.

Copy Milling Cutters

The copy milling cutters are tools with indexable cutting inserts with round cutting edges. It is either fully round cutting edge (indexable cutting inserts for toroid or ball nose milling cutters) or partially round cutting edge (from HFC milling cutters to radius versions of ADMX 11 and ADMX 16 indexable cutting inserts). The segment of copy milling cutters includes shell-type milling cutters, milling cutters with cylindrical clamping shank, Weldon-type chunk and modular (screw) milling cutters.

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So-called HFC (High Feed Cutting) milling cutters are getting ahead in the field of rough copy milling nowadays. Pramet offers 2 types of HFC milling cutters. The HFC milling cutters with ZDCW 12, ZDEW 09 andZDEW 07 inserts for feeds up to 3, 2 and 1 mm per a tooth. They are especially irreplaceable during machining with big protrusion of a milling cutter. At such operations they go beyond copy milling and are considerably more productive than face milling cutters. The tools are suitable for milling of soft as well as heat-treated steels and cast irons.

The Penta HF milling cutters with PDxx 09 inserts, which were optimised for milling of corrosion-resistant steels, difficult-to-machine steels and heat-treated steels, have newly been placed into the assortment. The cutting inserts with a transition edge are suitable for plain operation, the indexable cutting inserts with a radius edge represent the first choice for all other versions of use. The milling cutters with round inserts, e.g. RDHX or RCMX are getting ahead especially at the finishing operations on the stable machines and workpieces. Another advantage for the programmers is freedom of use during multi-axis machining (3D and more).

The assortment has also been enlarged by 2 versions of the ball nose milling cutters, which are suitable for milling of all groups of the machined materials. The universal milling cutters with ZP10 to ZP50 inserts with diameters of 10 to 50 mm. And the semi-roughing and finishing milling cutters of the MULTISIDE XP family in diameters of 16 to 32 mm.

Cylindrical Milling Cutters

The assortment of cylindrical milling cutters includes milling cutters for milling of deep shoulders and slots. The cylindrical milling cutters are determined for middle productive and productive milling machines. The milling cutters for milling of angular planes are also a part of the assortment of milling cutters. The adjustment angles correspond to the angles, which are most often used for weld preparation. Cylindrical milling cutters with soldered cutting edges are also available for finishing operations.

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The face milling cutters with SDGX 12 inserts (or SDMX 12 inserts) are new tools in the offer of peripheral milling. These full-cut milling cutters are determined for middle machining of steels from structural steels to corrosion-resistant steels, but also difficult-to-machine materials of S group.

The face milling cutters with ADMX 11 inserts have become a bestseller. They can be characterized by stable placing of the insert and very good chip evacuation. Ramping and helical milling are possible with these milling cutters. They are suitable for milling of all types of steels, cast irons and milling of non-ferrous metals according to the insert geometry chosen. There are newly designed milling cutters with LNET16/SNGX13 inserts in the offer for the heaviest operations of machining steels and cast irons. The milling cutter is fitted with the LNET16 two-edge inserts on every other tooth on the face and the SNGX13 8-edge inserts are fitted on the rest of the milling cutter. There are also milling cutters with ISO 50 taper for automatic (ISO69871 and JIS B 6339) and manual (DIN 2080) replacement in the offer. The milling cutters with ISO 50 taper are made with an exchangeable front part.

The milling cutters for milling of areas for welds or other bevels also represent a favourite type of tools. The milling cutters for chamfering have the cutting edge length about 27 mm and we offer them within the angle adjustment from 15° to 75°. The milling cutters can also be used for fast evacuation of the material during plain milling (milling cutters with 15°) or for form slot roughing.