Cutting Tool Technology Episode 2 pps

... toolholding, tool changing, VII. Tool programme – the correct/specied tool and its tool osets, etc., VIII. Performance – cutting data, anticipated tool- life and economics, IX. Quality – tool ... 180 m min –1 cutting speed, 0.3 mm rev –1 feedrate, 3 mm D OC . 2. 4 Tool Nose Radius e insert’s nose radius has been previously mentioned in Section 2. 1.6, concerning:...

Ngày tải lên: 13/08/2014, 05:20

... Controller’s tool table. Typical of such tooling, are special-purpose form tools that may be consid- ered to full this classication, 2. Semi-qualied tools – these are tools where not all of the tool ... such as the ‘front-end’ cutting units, tted into the already machine tool- pocketed and lo- cated ‘back-ends’ , typied by the ‘KM tooling’ ranges (i.e. see Figs. 120 to 122 ),...

Ngày tải lên: 13/08/2014, 05:20

... far as the ballscews are concerned – by the three large gas- spring supports 22 (i.e. see Figs. 22 4 and 22 5a). 21 ‘Laser-controlled feedback’ , through the centre of the ballscrews, negates ... seconds, with a tool change time of 6 seconds (chip-to-chip), having a tool stor- age capacity of 50 tools (i.e. expandable). e standard tool spindle cartridge is rated at 22 kW , wi...

Ngày tải lên: 13/08/2014, 05:20

... micro-hardness of between 20 to 50 HV; it is deposited 1 µm thick, typically over a previous titanium nitride (TiN) coating, or a ‘bright’ tool. ese MoS 2 coatings can have over 1 ,20 0 applied molybdenum ... Such an MoS 2 coating, tends to reduce the likelihood of adhe- sive wear and seizure, yet allowing sharp edges to the coated tooling. .. Ceramics and Cermets e oldest cu...

Ngày tải lên: 05/08/2014, 20:22

... achieved. e cutting tool problems, such as: too wide a range of tooling inventory, inappropriate tools/out-dated tooling, or not enough tools for the overall operational 1 Tooling refers ... new machine tool, considered cutting tool technology as very much an aerthought and sup- plied little nancial support, or technical expertise to purchase these tools. Today, tooling-rel...

Ngày tải lên: 13/08/2014, 05:20

... 2. 2 3 .2 4.5 IT6 0.9 1 .2 1.9 3.1 4.6 6.4 IT7 1.4 1.9 3.1 5.0 7.4 10.1 IT8 2. 0 2. 9 4.7 7.8 11.5 15.8 IT9 3.6 7.5 9.4 12. 4 18.3 25 .2 IT10 5.7 7.6 12. 1 20 .0 29 .8 40.5 IT11 8.6 11.8 19.1 31.4 46 .2 ... cross-sectional area of the undeformed chip, will be: A = 2A z = s z (d – d o ) = s(d – d o ) /2 = 2h z b (mm 2 ). e calculation of cutting forces in ‘Solid’ hole drillin...

Ngày tải lên: 13/08/2014, 05:20

... Cutting Tool Eng’g., 66–71, May 20 01. Kennedy, B. Facing Facts [Face Milling – Automotive Parts]. Cutting Tool Eng’g., 29 –37, Feb. 20 02. Kennedy, B. Wall Smart [in-wall Milling]. Cutting Tool ... 26 –33, Feb. 20 07. Kline, W.A., DeVor, R.E. and Lindberg, J.R. e Prediction of Cutting Forces in End Milling with Application to Cor- nering Cuts. Int. J. Mach. Tool De...

Ngày tải lên: 13/08/2014, 05:20

... Eng’g., 26 –30, April 1990. Kennedy, B. What’s on Tap? [Tapping Advances]. Cutting Tool Eng’g., 26 –35, May 20 02. Lewis, B. Challenge on Tap [Tapping Problems]. Cutting Tool Eng’g., 44–48, April 20 03. Nelson. ... Cutting Tool Eng’g., 56– 62, April 20 07. Pontius, K. Low-silicon Lowdown [Tapping Si-Al Parts]. Cutting Tool Eng’g., 58–64, May 20 01. Restall, M. e In...

Ngày tải lên: 13/08/2014, 05:20

... soening the tool (i.e. Degrad- ing tool test), in order to speed-up the machinabil- ity process the cutting speeds are increased. If the cutting speeds are signicantly increased, the tool will ... case, an P25 grade was chosen, which is a degradation from the optimum P20 grade, but it should still perform satis- factorily. Furthermore, the cutting speed was raised by > ;2....

Ngày tải lên: 13/08/2014, 05:20

... life at optimum performance. 8.10 Disposal of Cutting Fluids Cutting uid disposal costs have been reported to be as high as 22 % of the total cutting uid-related cost. With environmental ... concentration levels (e.g. using a re- fractometer 23 – Fig. 20 6) – this being an important 23 ‘Refractometer operation’ (Fig. 20 6): Place a few drops of cutting uid on the instrum...

Ngày tải lên: 13/08/2014, 05:20