วันพฤหัสบดีที่ 5 มกราคม พ.ศ. 2555

Starting "Mini CNC" Project

Spec
Maximum job dimensions : 1000 mm x 600 mm
Maximum Z-Axis stroke : 200mm

Axis Long Dimension : X-Axis 1250mm
                          Y-Axis 675mm
                          Z-Axis 400mm

Purchase


X-Axis

1.  Ball Screw 1 piece. Price 3500฿
     Spec : Length 1200mm
               Screw Length 1100mm
               Pitch 5mm
               Dimeter 19mm
   
2. Linear Slide 2 piece. Price 4,000฿
    Spec : Rail Size  23x24mm
               Long 1273mm
               Number of blocks 2blocks/rail


3. Stepping Motor Price 650฿.
    Spec : Vexta C9244-9212K
              Coil 2 Phase 5.7V 1.6A
              Step 2.8Deg/Step



Y-Axis
1.  Ball Screw 1 piece. Price 1900฿
     Spec : THK KX 61053
               Length 770mm
               Screw Length 707mm
               Pitch 10mm
               Dimeter 20mm

2. Linear Slide 2 piece. Price 2,300฿
    Spec : Rail Size  23x24mm
               Long 740mm
               Number of blocks 2blocks/rail

3. Stepping Motor 3 piece. Price 650฿/Piece. Total 1,950฿
    Spec : Vexta C9244-9212K
              Coil 2 Phase 5.7V 1.6A
              Step 2.8Deg/Step

Z-Axis
1.  Ball Screw 1 piece. Price 1300฿
     Spec : THK KX 61053
               Length 42mm
               Screw Length 34mm
               Pitch 10mm
               Dimeter 15mm


2. Linear Slide 2 piece. Price 2700฿
    Spec : NSK Bar size 15mm. long 340mm.
                        Block 2piece/Bar

3. Stepping Motor Price 650฿.
    Spec : Vexta C9244-9212K
              Coil 2 Phase 5.7V 1.6A
              Step 2.8Deg/Step

    *** Now I changed stepper motor to 3 of Snavu Denki 3A stepper motor Total price 1,000฿. I'm plan for use it in parallel coil (6A) bipolar for many torque

Other
1.    Body Price -฿
2.    Drive IC Price -฿
       2.1    Interface
       2.2    Power Drive
3.    Coupling (Moto to Ball Screw)  Price -฿
4.    Router  Price -฿
5.    Nut and Bolt

Design
1. This is my CNC plan V2.

2. This is my CNC plan V2-new.

3. This is my CNC plan V3.

4. This is my CNC plan V5



what's plan do you like?
Now! I'm Change materials to aluminium because I don't have any machine (eg. Milling ,Late) and change for supports it's.

Tips.
1.  Hole dimension for tapping using screw_size x 0.85
    1.1  3.2mm for M4
    1.2  4.2mm for M5
    1.3  5.1mm for M6