Impact device | Hardness tester probe | Ball head | Technical parameters

NegotiableUpdate on 05/11

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Overview

Impact device | Hardness tester probe | Ball head | Technical parameters: Portable Leeb hardness tester consumables produced in the era, including hardness tester ball head, probe wire, impact body, impact device, etc. Additionally, a technical parameter table for D/DC/DLC/D+15/E/G type impact devices (probes) is attached

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冲击装置|硬度计探头|球头|技术参数

Impact device | Hardness tester probe | Ball head | Technical parameters Impact device technical parameters list

Irregular impact device		DC（D）/DL		D+15	C		G		E (to be imported)
impact energy Impact mass		11mJ 5.5g/7.2g		11mJ 7.8g	2.7mJ 3.0g		90mJ 20.0g		11mJ 5.5g
Ball head hardness: Ball head diameter: Ball head material:		1600HV 3mm tungsten carbide		1600HV 3mm tungsten carbide	1600HV 3mm tungsten carbide		1600HV 5mm tungsten carbide		5000HV 3mm diamond
Diameter of impact device: Length of impact device: Weight of impact device:		20mm 86(147)/ 75mm 50g		20mm 162mm 80g	20mm 141mm 75g		30mm 254mm 250g		20mm 155mm 80g
Test piece with high hardness		940HV		940HV	1000HV		650HB		1200HV
The average surface roughness Ra of the specimen:		1.6μm		1.6μm	0.4μm		6.3μm		1.6μm
Small weight of test piece: Directly measurable Stable support is required Need for dense coupling		>5kg 2～5kg 0.05～2kg		>5kg 2～5kg 0.05～2kg	>1.5kg 0.5～1.5kg 0.02～0.5kg		>15kg 5～15kg 0.5～5kg		>5kg 2～5kg 0.05～2kg
Small thickness of test piece Dense coupling Small depth of hardened layer		5mm ≥0.8mm		5mm ≥0.8mm	1mm ≥0.2mm		10mm ≥1.2mm		5mm ≥0.8mm
Ball indentation size
When the hardness is 300HV	indentation diameter indentation depth	0.54mm 24μm	0.54mm 24μm			0.38mm 12μm		1.03mm 53μm		0.54mm 24μm
When the hardness is 600HV	indentation diameter indentation depth	0.54mm 17μm	0.54mm 17μm			0.32mm 8μm		0.90mm 41μm		0.54mm 17μm
When the hardness is 800HV	indentation diameter indentation depth	0.35mm 10μm	0.35mm 10μm			0.35mm 7μm		-- --		0.35mm 10μm
Scope of application of impact device		DCType measuring hole or cylindrical tube;DLMeasuring slender narrow slots or holes	D+15Type measurement groove or concave surface			CMeasuring small lightweight components and surface hardening layers.		GMeasurement of castings and forgings with large thickness and rough surface		EMeasuring materials with extremely high hardness