hi guys thank you for replying my message. i have a turn pro. i need to cut hole in 2.5 to 3" dia and .25 -.5 deep. i only need to do it for a few jobs and the tolerance is not critical. rotary table is a good ideas. is there an adjustable boring tool or some other adjustable tool that can cut like flycutter? voi

Hello master machinists, can anyone tell me what is the best way to cut large hole? is there a tool out there that allow me to cut large hole for manual milling?

Hello machinists, what is a good plastic to machine on a small mill? i have tried uhmw and nylon, results are very bad. i have tried pvc, it good, but i am looking for enomical plastic to practice my machining skill. thank for any help in advance. vvv_contractor

Hello there, i would like to drill a hole into a dowel pin. any suggestion what type of endmills do i need to accomplish this task? thank you for any advice. voi

yes, and no. the cnc software that i am using does not let me enter offset length value during tool change. that lead me into a new problem. thank you for asking.

i am setting my machine at 2900 rpm. according to the chart that i got from internet. any ideas

Hello master machinists, what is a good end mills for nylon and aluminum? should i use 2 flutes or 4 flutes for end mills? thanks

where do i enter the tool offset length in mastercam v9? but i have already entered the all the values from "define tool" dialogbox. thanks

hi mayday, thank you for prompt respond. are you saying that each time a system prompt me to change tool, i have to register the length and z height of my cnc machine? here is my nc file i have programed it using "from tool" in tool offset registers option. % O0000 (PROGRAM NAME - CASE_BLADE) (DATE=DD-MM-YY - 03-09-03 TIME=HH:MM - 10:20) N100G20 N102G0G17G40G49G80G90 ( 3/16 FLAT ENDMILL TOOL - 2 DIA. OFF. - 0 LEN. - 0 DIA. - .1875) N104T2M6 N106G0G90X0.Y0.A0.S2900M3 N108G43H0Z.5 N110X-.2712Y-.3024 N112Z.25 N114Z.1 N116G1Z-.008F6.16 N118X.2712F6.26 N120Y-.1814 N122X-.2712 N124Y-.0605 N126X.2712 N128Y.0605 N130X-.2712 N132Y.1814 N134X.2712 N136Y.3024 N138X-.2712 N140G0Z.242 N142X-.2813Y.3125 N144Z.1 N146G1Z-.008F6.16 N148Y-.3125F6.26 N150X.2813 N152Y.3125 N154X-.2813 N156G0Z5. N158X0.Y0. N160Z0. 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Hello there, i am a mechanical designer and software developer. i am learning to use mastercam and g-code so i can write program to understander g-code. my question for today is: if i see g49 in my nc file is that means it will not compensate tool lengths? i am trying to machine a part and have 4 tools with different length and each time i am running it, it seams to me like it only recognize one length, causing the machine to dig into workpiece and sometime it not cutting.