Table Top Drilling Machine with Servo Positioning
Każ ta 'Studju: The customer had to make controlled chamfer on drilled hole of an Aluminum components. The chamfer had controlled depth for rivet seating. The depth control on the chamfer had to be mainatained within 30 microns for correct. The sustomer was using an hand operated drilling machine with mechanical dead stop. The depth control was very difficult in this setup and was set up time was. This now has been replaced by our machine which has a 1.5HP spindle with 500-2800 RPM stepless speed variation through VFD interface. The depth, feed and rapid return of the tool is by the servo motor coupled to ballscrew. The touch screen HMI can be used to program the spindle speed, drill feed, rapid return and dwell.
Other uses of this machine: Since this has an accurate depth control, this can be used in place of expensive CNC drill/tap centers. This machine can be used for even tapping with a compensatory tapping chuck. Different fixtures have to be made to align the hole position to the spindle position. After fixture setup, the machine can be used in continuous auto-cycle for mass production.
TECHNICAL SPECIFICATION:
Machining Capabilities | |
Drilling Capacity | Solid drill of Ø20 mm |
Tapping Capacity | M12 with compensatory chuck |
Vertical Stoke | |
Stroke | 250 mm |
Guideway details | Ground LM guides and blocks. Size 25. |
Rapid traverse rate | 6,000 mm/min |
Feed traverse rate | 30-3,000 mm/min |
Motor Power | 2.4 Nm with brake |
Drive system | Servo driven coupled to ballscrew |
Ball Screw | Ø36, 5 pitch, C3 class, ground and preloaded |
Positional Accuracy | ±10µm for 300 mm. |
Repeatability | 10µm |
Slide end stop limit switch arrangement | Limit Switches |
Slide cover protection | Collapsible bellows. |
Spindle Head & Spindle drive | |
Taper of spindle | IS0-30 |
Arbour clamping system | Manual draw bar with nut |
Tool Clamping system | ISO-30 x ER-16 collet arbour |
Spindle Bearing configuration | Match pair angular contact bearings |
Spindle speeds | 500 – 2800 RPM |
Spindle drive | V-Belt and pulley driven |
Main Spindle motor rating | 1.5HP AC induction motor routed through VFD |
Coolant system | Not provided |
Spindle Runout (Axial and radial) | Within 10 µm |
BOUGHT-OUT | |
Operators control station | Will be provided |
Servo Motors | Mitsubishi |
PLC | Mitsubishi |
VFD | Mitsubishi |
HMI – Touchscreen | 7” touchscreen – Mitsubishi |
Spindle Motor | ABB |
Limit Switches | Siemens/Teknic |
Major Switchgear elements | Schneider/Siemens |
Bearings | SKF/RHP/FAG |
LM guides | HIWIN |
Ballscrews | HIWIN |
Cables | Finolex |
Video:
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Dettalji ta 'Kuntatt
- +91-80-28361767
- info@shenoyengineering.com
- +91-80-28361725
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