![]() Tool Eng 10:18–22Ĭarvalho AO, Brandão LC, Panzera TH, Lauro CH (2012) Analysis of form threads using fluteless taps in cast magnesium alloy (AM60). Huang XL, Li XF, Zuo DW, Miu H, Shi DB (2012) Effect of structural parameters of extrusion tap on torque during forming process of internal thread by cold extrusion. Stéphan P, Mathurin F, Guillot J (2011) Analytical study of maximal tapping torque during forming screw process. ![]() Mathurin F, Guillot J, Stéphan P, Daidié A (2009) 3D finite element modeling of an assembly process with thread forming screw. Warrington C, Kapoor SG, DeVor RE (2006) Finite element modeling for tap design improvement in form tapping. Oliveira J, Filho S, Brandão L (2019) Investigation of the influence of coating and the tapered entry in the internal forming tapping process. Proc World Congr Eng (WCE 2013) 3, London, U.K Pereira IC, Faria AE, Da Silva MB (2013) Influence of feed rate and threaded length in thread forming and tapping operations. Tribol Int 145:106151įromentin G, Poulachon G, Moisan A (2006) An experimental and analytical method for investigating plastic flow in form tapping. CIRP Ann- Manuf Technol 54:519–522ĭemmerling AL, Söffker D (2020) Improved examination and test procedure of tapping torque tests according to ASTM D5619 using coated forming taps and water-mixed metalworking fluids. J Manuf Sci Eng 127:829–836įromentin G, Poulachon G, Moisan A, Julien B, Giessler J (2005) Precision and surface integrity of threads obtained by form tapping. Warrington C, Kapoor SG, DeVor RE (2005) Experimental investigation of thread formation in form tapping. ![]() The modeling software and experimental design used in this research are very suitable for the optimal design of the FFT used in industrial production.Ĭhowdhary S, Ozdoganlar OB, Kapoor S, DeVor R (2002) Modeling and analysis of internal thread forming. The experimental results show that the BBD can accurately predict and simulate the thread filling rate of tapping 7075-T6 aluminum alloy. ![]() This study reports the Box-Behnken design (BBD), combined with DEFORM-3D (finite element model) and MINITAB (regression analysis) software, to tap 7075-T6 aluminum alloy with small FFT to obtain reliable results of thread filling rate and minimum torque. However, the four geometric parameters of the FFT (tool width ( W), tooth root diameter ( D 2), front-end diameter ( D f), and tooth angle ( θ)) will affect the thread filling rate ( f) and minimum torque ( T) in tapping process. The small internal thread was made in a blind hole using a fluteless forming tap (FFT) without producing chips. The small blind internal thread (SBIT) plays a very important role to firmly fastening some functional components on the cover of 3C electronic products. ![]()
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