Gear drilling machine OPTIdrill DH 55G (55mm)
- Heavy, solid cast construction
- Dirt and water resistant, easy to clean membrane keypad
- Electronics 24V DC
- Electrical quill feed
- Depth stop
- Threading attachment
- Machine light integrated in the drill head
- Large, height-adjustable protective screen with safety switch for maximum protection of the user
- Large dimensioned, solid drill table, precisely worked with parallel T-slots and circumferential cooling water channel, strongly ribbed on the back, tiltable ± 90 ° sideways
- Motorized rotary table height adjustment
- Coolant system and external coolant tank can be removed for easy and complete emptying
- Chip filter according to Machinery Directive
- Extremely stable, thick-walled cast-iron column for high power consumption
- Solid base plate with parallel T-slots, precision surface finish
- Optional foot switch for switching between clockwise and anticlockwise rotation and for thread cutting
Scope of Supply:
- Keyless chuck 1-16 mm
- Morse cone MK 4 / B 16
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Specifications
| Info | |
|---|---|
| Brand | OPTIMUM |
| Dimensions and weights | |
|---|---|
| Weight | 850 kg |
| Column diameter | Ø 200 mm |
| Length x width x height | 850 x 1 060 x 2500 mm |
| Electrical Data | |
|---|---|
| Electrical connection | 400 V / 3 Ph ~50 Hz |
| Motor output | 2.2 / 2.8 kW |
| Coolant pump motor | 100 W |
| Drilling performance | |
|---|---|
| Drilling performance in steel | Ø 55 mm |
| Continuous drilling performance steel | Ø 50 mm |
| Thread tapping steel | M 42 |
| Spindle | |
|---|---|
| Spindle sleeve stroke | 190 mm |
| Spindle holder | MT 4 |
| Throat | 400 mm |
| Spindle sleeve feed | 3 stages: 0.1 / 0.15 / 0.2 mm/rev |
| Rotational speeds | |
|---|---|
| Spindle speeds | 45 - 2 000 rpm |
| Number of speeds | 16 stages |
| Drilling table | |
|---|---|
| Drilling table workspace L x W | 600X600 mm |
| T-slot size | 18 mm / 160 mm / 3 |
| Drilling table load bearing capacity | 350 kg |
| Drill table rotation/lateral pivot | 360° / ± 90° |
| Clearance spindle - drilling table | 130 - 725 mm |
| Drilling Table T-slot size/distance/amount | 18 mm / 150 mm / 2 |
| Machine base | |
|---|---|
| Machine base work area L x W | 515 x 570 mm |
| Clearance spindle - machine base | max. 1 300 mm |
Service & Support
Training
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Technical Support
We bring you local support in your language where we have established presence directly and with our partners.
Maintenance
Thanks to experience gathered with Gravograph and Technifor and our distributor partners, we can offer you a wide range of services.



