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Product Details
Horizontal, compact, straight belt polishing machine for round and flat edges up to 6cm.AUTOMATIC HORIZONTAL POLISHER LTT
The LTT 621 is a rectilinear, continuous processing, polishing machine for rounded and flat edges up to 6 cm thickness. Among its main features, there are: the compactness, the round shaping facility operated by means of just one cup - shaped diamond wheel for all radius, and the micro-oscillating facility of the polishing mandrels usable either for the flat edges, or for flat parts of edges (ex. between two rounded corners).
The LTT is reliable because its most important mechanisms, so as the oscillating system by means of levers and connecting rods, are basically derived from the thousands machines type LCT (vertical , extremely compact "bull nosing" machine) Marmo Meccanica has already produced.
The compactness (only 3930 mm length) in combination with its affordable price and its quality of performances makes this machine ideal for those users looking for ordinary productivities.
Electrical box and hydraulic unit placed outside the machine.
CALIBRATING MANDREL
(horizontally and vertically adjustable. It can be rotated up to 90° and can also be used as a mandrel for the drip stone)
| Info | Specs |
|---|---|
| Quantity | 1 |
| Motor power | 3.6 Kw (5 hp) |
| Rotation speed | 1400 rpm |
| Attachable disk diameter | 250 mm |
| Bore of the attachable disks | 50 mm |
45° INCLINED OPPOSING MANDRELS
(the switching on is automatic, pneumatic or manual. The stop is mechanical and can be adjusted)
| Info | Specs |
|---|---|
| Quantity | 1 bench side 1 opposite side with respect to the bench |
| Total power (two mandrels): | 3 Kw (2x2 hp) |
| Rotation speed | 2800 rpm |
ATTACHABLE TOOLS
A) For milling the edges:
• Cup-shaped cone-trunk grinding wheels for removal of big corners
• Diameter: 120-130 mm
• Total h: 80 mm
• Attachment: right-hand screw thread M 24x3 (x37)
B) For chamfering:
• Cup-shaped abrasive grinding wheels
• Diameter: 120-130 mm
• Right-hand standard lead nut attachment
OSCILLATING MANDRELS
(for shaping, grinding and polishing)
• Quantity: 6 (of which the first two have an adjustable mechanical stop)
• Total power (6 mandrels): 9,0 Kw
• Rotation speed: 900-2400 rpm
Attachable tools
A) For shaping
• Cup-shaped diamond grinding wheel
• Diameter: 120-130 mm
• Total h: 70 mm
• Attachment: right-hand screw thread M 24x3 (x37)
B) For polishing
• Cup-shaped abrasive grinding wheels
• Diameter: 120-130 mm
• Right-hand standard lead nut attachment
WORK DIRECTION
from right to left (or left to right)
Dimensions of processable pieces:
• Length: minimum: 270 mm; maximum: no limit
• Width: minimum: 200 mm; maximum: no limit
• Thickness: minimum: 10 mm; maximum: 60 mm
• Total installed power: 18,5 kw
• Total water consumption: 35 litres/minute
• Weight of machine: 4000 kilos
• Working speed: 7-65 metres/hour
