WebJun 15, 2024 · • HCHCR (Hardness:20-22) & • HCHCR (Hardness:55-56) using one variable at a time approach. The optimal set of process parameters has also been predicted to maximize the material removal rate. . Design/methodology/approach: The experimental studies were performed on ELECTRONICA SPRINTCUT EDM machine. Findings: The … WebMaterial for Die block should be use HCHCr Hardness – Die Block should be harden upto 60 to 62 HRC (vi) Punch design Checking the punch for crushing , 105557.5 = π/4 x 1052 x σ c 2 σc = 12.19 N/mm 2 << 750 N/mm Safe in crushing . Maximum length in punch . Lmax= 10.56 mm Taking the length of punch, L=25 mm 3.3.2 Punching operation –B (5mm)
Experimental Analysis and Optimization of EDM Parameters on …
WebMax Hardness 60-64 Heat Resistance Low Wear Resistance Medium Machinability Good Medium Hardening Temperature 760-870 Good Density 7.85 g/cc Chemical Composition of HCHCR ELEMENTS % COMPOSITION C 2.00-2.35 Mn 0.60 Si 0.60 11.00-12.50 Ni 0.30 1.00 Cu 0.25 S 0.03 Fe Remaining In modern manufacturing industry surface finish … greece backpacking
What is the full form of hrc in term of hardness? - Answers
WebD3 Tool Steel. D3 Tool Steel is a high-carbon, high-chromium, oil-hardening tool steel that is characterized by a relatively high attainable hardness and numerous, large, chromium-rich alloy carbides in the microstructure. These carbides provide good resistance to wear from sliding contact with other metals and abrasive materials. D3 exhibits excellent … WebType of mould hardness HRC Injection mould for: – thermoplastic materials 45–52 – thermosetting materials 45–52 Compression/transfer moulds 45–52 Blow moulds for PVC, PET, etc. 45–52 Extrusion, pultrusion dies 45–52 Uddeholm Stavax ESR core to make disposable polystyrene beakers. Millions of WebDec 5, 2016 · The objective of this Project Report is to study the influence of operating parameters of pure copper electrode on the machining characteristics such as, material removal rate for work piece material EN-31 and HCHCr ( hardness 20-22 and 55-56) Keywords: EDM; TON; T ; MRR; IP;EN-31;HCHCr Purpose: In this investigation, the … greece bailout 2018