zeus® Knurling Technology
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zeus® KNURLING TECHNOLOGY KNURLING WHEELS FORM KNURLING TOOLS CUT KNURLING TOOLS SPECIAL TOOLS

Technology. SerVice. pASSion. WelcoMe To hoMMel+Keller prÄziSionSWerKzeuge! We work with enthusiasm for your satisfaction: From innovative products, like the new RF1- LD generation, to the qualified advice and application support.

High quality standards towards consumer and industrial goods, especially in the premium segment, call for exceptional precision and surface quality of the knurling profile. Premium products require only too often a customized tool solution. As a result they stand out with a significant difference regarding visual and functional features compared to low-end products. Hommel + Keller exceeds all of these expectations in every aspect with the premium brand zeus®. Individual product solutions bring forth superior final products, as for example control panels for the automotive industry or...

Our product programme offers tool solutions for manifold requirements of the knurling technique. zeus® knurling tools are suited to produce standard profiles according to DIN standard, as well as conical, convex, concave and special profiles (e. g. E, C profiles). The application example below shows the multitude of application possibilities that can be covered with a zeus® knurling tool. Application example: Application Profile (DIN 82) Tool Knurling Pitch wheels Form knurling (Radial) Form knurling (Radial) Form knurling (Radial) Form knurling (Radial + Axial) Knurling to a shoulder Form...

TOOL CHOICE The matrix below provides a selection of the tools that are suitable for a specific application. To begin with, please select the required profile according to DIN 82. Row 2 suggests which technique (Form knurling and / or Cut knurling) is suitable for producing the required knurling profile. As a next step, please select the machine type. Essential for the choice of tool is the knurl position on the work piece (at the beginning of / in the middle of or knurling to a shoulder etc.), as outlined by the different pictograms. By selecting the required application you receive a...

Knurling profile Profile can only be produced in radial tool direction (plunge knurling) Profile can only be produced in axial tool direction (feed knurling) Profile can be produced in axial and radial tool direction Swiss type autolathes Automatic short-turning lathes, Universal lathes, Turning-/milling centre Multispindle automatic lathes Rotary indexing machines / Indexing table machines / Automatic transfer machines Cut knurling not possible for this application (see also p.13) Limited length of knurling profile When cut knurling the manufacture of RBR/RBL profiles is restricted Profile...

Machine types Machine types Distinctive features according to machine characteristics Tool fitting in: • Long slide • Cross slide • Turret Right-hand turning Left-hand turning Direction of rotation universal Automatic short-turning lathes / Universal lathes / Turning-/milling centre Tool fitting in: • Long slide • Cross slide • Turret Right-hand turning Left-hand turning Direction of rotation universal Multispindle automatic lathes Tool fitting in: • Long slide • Cross slide • upport of an S automatic lathe Right-hand turning Left-hand turning Swiss type autolathes Rotary indexing machine /...

Tool Characteristics Tool Characteristics Distinctive features according to machine types and machine characteristics Knurling tools for CNC lathes/autolathes On the knurling tools for CNC lathes / autolathes, the centre height is already incorporated (centre height = top of shank). As a result it is possible to employ these in CNC lathes / autolathes without adjustment of the centre height (fixed tool holder). Basically these knurling tool series are also suitable for conventional lathes / autolathes, insofar as the centre height can be set on the machine. Tool holder fixed (not adjustable...

Application Techniques content Knurling techniques Application characteristics Form Knurling Application characteristics Cut Knurling

KNURLING TECHNIQUES In knurling technology two different application techniques can be distinguished: Cut Knurling and Form Knurling. Both techniques have their own characteristics, range of applications, advantages and limitations. Whereas one advantage of form knurling is the easy tool handling, cut knurling is always the preferred method whenever the surface quality requires uncompromising precision. On the following pages, the different attributes, the range of applications, their advantages and limitations are summarized. A fundamental distinction lies in the relation between tool...

Application characteristics – Form Knurling Form knurling is a non-cutting process during which a surface compression of the work piece takes place. As form knurling is a cold forming process, the technique is only suitable for cold deformable materials. As a result of the forming process, the outer diameter is increased. A main advantage of the technique lies in the application diversity. With form knurling all knurling profiles can be produced and it is also suitable for front, internal or conical knurling. It is further possible to knurl up to a shoulder. Form Knurling Application...

Application characteristics – CUT Knurling Cut knurling is the milling alternative to form knurling. During feed, material is removed. This technique is especially suitable for thin-walled work pieces, soft materials (e.g. plastics) or difficult to machine materials. Cut knurling excels in high precision and excellent surface quality, a reason why it is recommended for producing high-quality visual profiles. Contrary to form knurling, the surface compression and the material displacement are negligible. The strain on the machine is also relatively small. One major restriction of the cut...

ForM Knurling ToolS cuT Knurling ToolS SpeciAl ToolS content ForM Knurling ToolS: RD1, RD2, RD3 cuT Knurling ToolS: RF1, RF2, RF3 SpeciAl ToolS