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Machining demo

A perfect finish with G-mold µ

The tools from the new G-Mold range promise component surfaces of the highest possible quality. But can they also live up to this promise in practice? Gühring demonstrates its expertise in mould and die with a demo component.

High-precision metalworking with a state-of-the-art CNC tool that machines a shiny metal component with the 'G-Mold' logo
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Mould and die

News about mould making

From raw material to finished component

Precision is crucial in the field of mould and die. Our G-Mold machining demo will show you how to achieve this: By selecting the right tool and the ideal parameters, we achieve perfect surfaces.

Detailed view of precision machining of a metallic component with embossed 'G-mold' logo

General information

  • machine type: Kern Micro
  • CAM software: Tebis V4.1 R7
  • holders: Gühring GM300 4475 11.040 / HSK-E 40
  • sealed high-precision collets art. no. 4575
  • material: Stavax ESR with 55 +/-1HRC
  • component designation: G-Mold surface demo

All processing steps at a glance

The following tables show all processing steps needed to manufacture the component, including machining parameters, cutting values and tool selection.

Graphic representation of an edging process in mould making Visualisation of a green cubic object with complex surface textures created by roughing Visualisation of a blue cubic object with wave-shaped surface textures, shown after first-finishing Graphic representation of a cubic object in blue and gray that has been processed through the sizing process Detailed representation of a cubic object in blue and grey, highlighted by the finishing process in the upper area
Application Hemming Roughing Complete roughing field 1-3 Finishing field 1-2 Fine finishing
Strategy contour milling contour parallel axis parallel trimming axis parallel trimming axis parallel trimming
Axis 3 3 3+2 3+2 3+2
Tools G-Mold 65 U G-Mold 65 T G-Mold μ65 B G-Mold μ65 B G-Mold μ65 B
Article 6943 6,000 6837 4,005 6815 3,000 6815 3,000 6815 3,000
Type ratio end mill torus end mill ball nose end mills ball nose end mills ball nose end mills
Ø 6,0 mm 4,0 mm 3,0 mm 3,0 mm 3,0 mm
Radius – 0,5 mm 1,5 mm 1,5 mm 1,5 mm
Teeth 4 4 2 2 2
n (U/min) 6366 8355 21000 21000 32000
Vc (m/min) 120 105 198 198 302
vf (mm/min) 254 1003 2100 2100 320
fz (mm) 0,010 0,03 0,050 0,050 0,005
ae (mm) 1 2 0,25 0,05 0,005
ap (mm) 10 0,1 0,045 0,05 0,005
Allowance ae/ap – 0,1 0,055 0,005 0
Coolant air air air emulsion emulsion
Time 00:02:30 00:21:14 00:05:35 00:17:40 05:20:51
Optical surface quality measurement with alicona – – Rz 4,64
Ra 1,111		 Rz 0,60
Ra 0,118		 Rz 0,39
Ra 0,068
Close-up of a grey metallic cube with yellow markings on the sides, engraved with the 'G' logo Close-up of a metallic cube with an engraved 'G' and orange markings Close-up of a metallic cube with an engraved 'G' and blue markings Detailed close-up of a metallic surface with a deep engraving of the letter 'G'
Application Side pockets Pre-drilling Torx T4 Counter-sinking Torx T4 Torx T4 milling
Strategy pocket milling drilling counter sinking helix contour
Axis 3 3 3 3
Tools G-Mold 65 T RT 100 H Micro 120° NC spotting drills micro-precision milling cutter MicroMill μ 55 U
Article 6837 4,005 7053 0,900 6028 3,000 6829 0,202
Type torus end mill solid carbide micro- precision drill spotting drill micro-precision milling cutter
Ø 4,0 mm 0,9 mm 3,0 mm 0,2 mm
Radius 0,5 mm – – 0
Teeth 4 2 2 3
n (U/min) 3500 10610 2122 31831
Vc (m/min) 44 30 20 20
vf (mm/min) 280 154 21 94
fz (mm) 0,020 0,007 0,005 0,001
ae (mm) 1 – – 0,2
ap (mm) 0,5 0,85 0,10 0,01
Allowance ae/ap – – – –
Cooling air air emulsion air
Time 00:00:58 00:00:08 00:00:12 00:07:03
Optical surface quality measurement alicona – – – –
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