Hardness Testing

Jenis Probe Leeb Dinamis

Jenis Probe Leeb Dinamis

Beberapa jenis probe Leeb yang tersedia untuk aplikasi yang berbeda sesuai dengan ASTM A956 Produk Merk Novotest :

Jenis Probe Leeb Dinamis Hardness Tester
Type of probe D DC DL D+15 C G
1. Application For the majority of your hardness testing requirements. Use in very confined spaces, e.g. in holes, cylinders or for internal measure‐ ments on assembled machines. For measurements in extremely confined spaces or at the base of grooves. For measurements in grooves or recessed surface. Surface hardened components, coatings, thin walled or impact sensitive components (small measuring indentation). Solid components. E.g. heavy castings and forgings.
2. Impact energy 11Nmm 11Nmm 11Nmm 11Nmm 3Nmm 90Nmm
3. Mass of impact body 5.5g 5.5g 7.3g 7.8g 3g 20g
4. Tip
  • Diameter
3mm 3mm 3mm 2.78mm 3mm 5mm
  • Hardness
1600HV 1600HV 1600HV 1600HV 1600HV 1600HV
  • Material
Tungsten carbide Tungsten carbide Tungsten carbide Tungsten carbide Tungsten carbide Tungsten carbide
5. Impact device
  • Length
147mm 86mm 202mm 162mm 141mm 254mm
  • Diameter
20mm 20mm 20mm 20mm 20mm 30mm
  • Weight
75g 50g 100g 80g 75g 250g
6. Max. hardness of sample 940HV 940HV 950HV 940HV 1000HV 650HB
7. The average roughness of sample Ra: 1.6μm Ra: 1.6μm Ra: 1.6μm Ra: 1.6μm Ra: 0.4μm Ra: 6.3μm
8. Min. weight of sample
  • of compact shape
5 kg / 11lbs 5 kg / 11lbs 5 kg / 11lbs 5 kg / 11lbs 1.5 kg / 3.3 lbs 15 kg / 33 lbs
  • on solid support
2 kg / 4.5 lbs 2 kg / 4.5 lbs 2 kg / 4.5 lbs 2 kg / 4.5 lbs 0.5 kg / 1.1 lbs 5 kg / 11 lbs
  • coupled on plate
0.05 kg / 0.2 lbs 0.05 kg / 0.2 lbs 0.05 kg / 0.2 lbs 0.05 kg / 0.2 lbs 0.02 kg / 0.045 lbs 0.5 kg / 1.1 lbs
9. Min. thickness of sample
  • uncoupled
25 mm / 0.98 inch 25 mm / 0.98 inch 25 mm / 0.98 inch 25 mm / 0.98 inch 15 mm / 0.59 inch 70 mm / 2.73 inch
  • coupled
3 mm / 0.12 inch 3 mm / 0.12 inch 3 mm / 0.12 inch 3 mm / 0.12 inch 1 mm / 0.04 inch 10 mm / 0.4 inch
  • surface layer thickness
0.8 mm / 0.03 inch 0.8 mm / 0.03 inch 0.8 mm / 0.03 inch 0.8 mm / 0.03 inch 0.2 mm / 0.008 inch
10. Indentation size on test surface with 300 HV, 30 HRC
  • diameter
0.54 mm / 0.21 inch 0.54 mm / 0.21 inch 0.54 mm / 0.21 inch 0.54 mm / 0.21 inch 0.38 mm /0.015 inch 1.03 mm / 0.04 inch
  • depth
24 μm / 960 μinch 24 μm / 960 μinch 24 μm / 960 μinch 24 μm / 960 μinch 12 μm / 480 μinch 53 μm / 2120 μinch
11. Indentation size on test surface with 600 HV, 55 HRC
  • diameter
0.45 mm /0.017 inch 0.45 mm /0.017 inch 0.45 mm /0.017 inch 0.45 mm /0.017 inch 0.32 mm / 0.012 inch 0.9 mm / 0.035 inch
  • depth
17 μm / 680 μinch 17 μm / 680 μinch 17 μm / 680 μinch 17 μm / 680 μinch 8 μm / 2560 μinch 41 μm / 1640 μinch
12. Indentation size on test surface with 800 HV, 63 HRC
  • diameter
0.35 mm / 0.013 inch 0.35 mm / 0.013 inch 0.35 mm / 0.013 inch 0.35 mm / 0.013 inch 0.30 mm / 0.011 inch
  • depth
10 μm / 400 μinch 10 μm / 400 μinch 10 μm / 400 μinch 10 μm / 400 μinch 7 μm / 280 μinch

 

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