Force measurement during carbide end mill grinding

Burek, Jan; Babiarz, Robert; Sałata, Marcin; Krok, Marek

doi:10.17814/mechanik.2016.11.517

Cited by 1 publication

(1 citation statement)

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“…These signals are then transmitted to the National Instruments A/C NI USB-6009 converter (14 bit ,+/-10 V) working under control of the LabVIEW SignalExpress software, which registers test signals. It was registered with 5 kHz rate and 250 samples, which enables to achieve proper resolution allowing to measure grinding forces components [24].…”

Section: Experimental Researchesmentioning

confidence: 99%

The Analysis of the Influence of Technological Parameters on the Grinding Temperature in the Single-Pass Grinding Process of Solid Carbide End Mill Flutes

Sałata¹

2022

Adv. Sci. Technol. Res. J.

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A method of the measurement of temperature and grinding force components during fl ute grinding of solid carbide end mills was presented. The tests were performed using two diamond grinding wheels: with a resin bond (S1) and with a metal bond (S2). A diamond grinding wheel of 1A1 type and a rectangular cross-section was used. An ultrafi ne grained carbide with a grain size of 0.2 to 0.5 μm, characterized by high hardness (1730 HV30) and very high tensile strength (4600 MPa) was used. The fl utes were grinded in one pass, thus replacing rouging and fi nishing. The temperature of grinding was recorded using thermocouple type K, NiCr-Ni. The measurement of forces was conducted using a rotary piezoelectric dynamometer. Surface topography was recorded with the Alicona Infi -niteFocus G4 microscope. The experiment was planned in Design-Expert 13 software. Mathematical models were developed, describing the relationships between the grinding speed and the feed rate as a function of the grinding temperature, grinding force and roughness parameters of the fl ute. For both grinding wheels, the Fn grinding force was recorded in the range of 28-110 N, the temperature in the range of 32-200 °C and surface roughness Sa in the range of 0.31-0.76 μm. The best grinding result, in terms of low grinding forces and temperatures was achieved for the grinding wheel with the metal bond (S2). For the resin grinding wheel (S1), for the selected technological parameters, grinding burn occurred.

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Section: Experimental Researchesmentioning

confidence: 99%