Search:

Hello gozo

Sorry for the delayed reply here are the details.Please see link. (this stuff is readily available per-packed as epoxy mortar or grout) and no vibration or ramming was done, used cement...

Some more. Videos of mixing and pouring.

Epoxy Granite Casting 01 - YouTube

Epoxy Granite Casting 02 - YouTube

Mould and finished part pictures.

Hello everyone,

I have started building a CNC based on commercially available epoxy grout ( 3 part ), the output looks okay and no cracking or stuff so far. Finished the Y-Axis

Pictures

Hello Everyone,

I'm currently using k-flop with k-step and able to init. the axis/system, confi. the home button, trajectory !

i want to fix the machine co-ordinates,something like in mach3...

It's SAHIL,

Thanks Tom, the reason i asked for amperage was 2.5Amp peak current consumption was mentioned in documentation of K-Flop.

Hello everyone,

I have finished testing my K-Flop, K-Step, power supply, motors and want to build everything into a nice cabinet, need help/advice on the grounding of P.S, boards etc.

here are...

nice spindle

yes you are right, i all ready have omron limit switches, 1HP spindle motor/drive, stepper motor drives 4-axis (250watt capable on each axis). Even i'm worried about the ballscrew and the spindle...

yes 3 to 4 months provided every thing goes well without a hitch. But this is the only option i got and i'm still looking for a functional machine, finding this itself took couple of months....
...

hi

well these are just the bear machines, provided these can be rebuilt ( ball screws, guide ways and spindle) to functioning spec. I can add servo motors or larges stepper motors and use...

some more pictures

Hello everyone,

Today i came across two Deckel FP4A models and in talks with the machine dealer. Want to convert it to cnc using K-Flop and K-stepper along with 4Nm-6Nm Bi-Polar motors.Please see...

that's a nice machine thewho, i'm interested in knowing what size stepper motors you have any Spec would be nice and what kind of travel speeds are you getting ? by the way how much would that saddle...

yes that might be a problem as the drive max. outs at 3Ax45V = 135watt, may be i should try a servo approach :rolleyes:. Luckily i got the steppers for 1week free trail and drives off ebay for 12...

aluMATTER*|*Aluminium*|*Milling*|*Milling: Cutting and Feed Movements

very good site

http://www.kennametal.com/calculator/end_milling_hp_calculations_in.jhtml

Actually i calculated that i need 2.315Nm torque from the motor (1.5x safety) at 180IPM (again 1.5x safety) rapids with a linear force of 515.6lb (1.5x safety) these values are the max with 1.5x...

Hello everyone,

Nice thread and good development, i'm building a cnc with nema34 steppers but thinking of making a small less than 200watt servo drives (pure-analog). Here is my idea how about...

update, i have observed that motor gets little hot after 35min of testing/running so used a LM335 temp.-sensor/voltmeter i had and measured the temp. after running the motor for 1hour20min in 1/4...

well, i can use 1/16th mode but the drive gets there by moving the phases on both the rising and falling edges of the CLK signal for a total of two steps per cycle (which is not true micro stepping)...

pictures

thanks for the link James, today i hocked up the motor and tested with Mach3, drive was set to 2.867amps/phase, drive input voltage 27.5volts and in 1/4th or 800 steps mode.(P.S is rated for 27.5V@3A...

thanks H500, one more interesting link

AMCI : Tech Tutorials : Stepper Motor Drivers - RMS vs Peak Current

Hello everyone,

I'm building a cnc machine and have STK672-080 based drives ( PEAK 3.5amp and 3amp with heat-sink @ 45volts). I have gone through the forum and found various tips, documents,...

what about shipment time ? is it under 1 week ?

thanks

sahil

hello james

what if one has a high inductance motor(13mH), current 2amps/phase and uses high voltages like 80-100volts to increase motor rpm = higher IPM (travel-cnc), can linistepper be used at...

some more info

http://www.h2wtech.com/stepmottor.htm

http://www.compumotor.com/products/Stepper_Drives_and_Motors__1893__30_32_80_567_29.html
...

hi guys

was doing some Google searching on alternates to screw drive mechanism and came across these stuff (amazing things) :) does anyone know how much they cost and the best part is these can...

no problem rally looking forward for your help

walbac i have decided go for hiwin linear guides

thanks

sahil

hello rally

can you suggest some specs one the heavy rail n ball screw ?? what are u using ?

yes i was also thinking of going with servos may be 200 watt once ?

thanks

sahil