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ET 77

 

The ET77 has the best performance/price ratio, thanks to top-of-the-range features at the cost of a display balancing machine.
Low balancing speed, optimisation of average balancing speed, 7 ALU truck and car programs, automatic acquisition of wheel/machine distance, adhesive weight application device, automatic weight application position search, visual wheel wobble inspection, automatic wheel type identification (truck/car), OPT FLASH and 200kg lift with safety handle: these features, together with its original design, make the ET77 an exceptional purchase with an excellent quality/price ratio.

 


Principal characteristics

- Electronic balancing machine with microprocessor for off-vehicle wheels of trucks, buses and vans.
- Low balancing speed (80 rpm for truck wheels and 120 rpm for car wheels) reduces wheel spin times, reduces the risks due to rotating parts and saves energy.
- Automatic detection of the type of wheel fitted (car or truck).
- Automatic sensor for measuring the distance and for the application of adhesive weights in Alu P programs.
- Automatic position search (RPA): on completion of the wheel spin, the machine automatically positions the wheel in the weight application point.
- Automatic wheel clamping at the end of the spin.
- Wheel-holder shaft clamping brake.
- STOP button for immediate machine shutdown.
- Lift equipped with safety handle to prevent wheel roll-over and to facilitate handling procedures. The safety handle is also a handy flanges and accessories holder.
- Cover with trays to take weights of all kinds and the most commonly used accessories.
- Automatic start when protective guard is lowered.
- Luminous digital dual display with 3D graphics.
- Simple, user-friendly keyboard for data input and program selection.
- Processing unit with 16 bit microprocessor.
- 1g (1/10oz) resolution in car function and 10g (0,5oz) in truck function.
- Unbalance values displayed in grams or ounces.
- Option of displaying unbalances rounded up/down.
- Balancing modes available:
Standard dynamic on both sides of the rim
Alu / Alu P seven different options for alloy wheels (with profile measurement)
Static on one plane only.
- "Shift Plane" program (in Alu P mode) for use of weights in multiples of five grams, with no need for partial cuts (Corghi Patent).
- "Hidden Weight" program (in Alu P) which subdivides the adhesive weight for the outside into two equivalent weights positioned behind the spokes of the rim.
- "OPT flash" program for the rapid optimising of wheel running noise levels. A single tyre shift on the rim and a balancing spin will cause the machine to display:
• the real wheel unbalance (the OPT procedure is completed if this is within the acceptable range);
• the minimum unbalance which is obtained by further rotating the tyre on the rim.
- Utility programs:
• calibration;
• service;
• diagnostics.
- Three work environments which allow three different operators to work at the same time without having to reset the data.
- VEI (Visual Eccentricity Inspection), to check for wheel and rim roundness defects.


Technical Data



Car wheel balancing speed:

120 rpm

Truck wheel balancing speed:

80 rpm

Maximum unbalance value calculated:

1990 g

Resolution:

1 g

Average spin time for car wheels:

8 s

Average spin time for truck wheels:

18 s

Shaft diameter:

46 mm

Rim width setting range for car wheels:

1,5" ÷ 22"

Rim width setting range for truck wheels:

4" ÷ 22"

Rim diameter setting range for car wheels:

7" ÷ 30"

Rim diameter setting range for truck wheels:

12" ÷ 30"

Maximum wheel/machine distance:

400 mm

Maximum wheel width (with guard):

700 mm

Maximum wheel diameter (with guard):

1220 mm

Maximum wheel diameter (without guard):

1380 mm

Maximum wheel weight:

200 kg

Power supply:

115V 60Hz / 230V 50Hz 1ph

Total power absorption:

220 W

Weight of the machine (with guard):

242 kg



 

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