WELTER UHT-800 CNC SINGLE FLANK UNIVERSAL BEVEL GEAR TESTING MACHINE   Our stock number: 24188

WELTER UHT-800 CNC SINGLE FLANK UNIVERSAL BEVEL GEAR TESTING MACHINE

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WELTER UHT-800 CNC SINGLE FLANK UNIVERSAL BEVEL GEAR TESTING MACHINEWELTER UHT-800 CNC SINGLE FLANK UNIVERSAL BEVEL GEAR TESTING MACHINEWELTER UHT-800 CNC SINGLE FLANK UNIVERSAL BEVEL GEAR TESTING MACHINE

The machine was originally delivered as a new machine in 2007, installed and

commissioned in 2008.

The machine remained virtually unused since that time, and it is

being offered with limited in-service warranty, including assistance for

machine set-up and operator training.

The machine's functions and features can be described as follows:

BASIC MACHINE:

Base machine components are: machine bed with swivel base, horizontal driving

carriage, vertical driving carriage, driven pinion head, driven sliding base,

and gear work head.

Two (2) spindles in horizontal execution facilitating the needs of testing

tooth contact as well as mounting distances for larger diameter bevel gears

Driving tailstock on the sliding base can be swivelled for various shaft
angles between the two spindles, and can be set-up from 45 to 180 degrees.

Machine horizontal motions for the sliding base and the pinion
carriages are controlled by CNC, with manual set-up of the other axes.

Pinion and gear spindle are both equipped with an automatic hydraulic
clamping/chucking system.

Both spindles for the pinion - driving spindle - and for the gear spindle -
driven spindle - are equipped with infinitely variable main spindle motors
from Siemens. So the load (torque) can also be infinitely pre-selected via
the CNC program. Depending on special applications as turbo gear sets,
the gear spindle can be defined as the driving spindle.

The Horizontal ways of the bed and the sliding base, as well as the pinion
carriage, are V-type and clamped by hydraulic system to guarantee accuracy
and stiffness in control position. the carriage for the vertical offset -
hypoid - is also equipped with a hydraulic clamping device.

The basic machine is equipped with an Industrial PC, 4 digital
AC-servomotors and 2 digital main spindle motors and drives from Siemens.

In standard version, the main motor for the driving (pinion) spindle with a
spindle with a variable drive system up to 500 RPM.

Digital read out and monitoring on the CNC screen for the shaft
angle between pinion and gear spindle.

PRINCIPAL SPECIFICATIONS:

Maximum gear diameter: 31.5"(800mm)
Shaft angle between the 2 spindles: 45 to180 degrees
Maximum distance from face of pinion spindle
to machine centre: 22.45"(570 mm)
Minimum distance from face of pinion spindle
to machine centre: 8.3"(210mm)
Distance from face of gear spindle to machine centre ....0-19.68"(0 -500mm)
Driving head stock horizontal movement
Forward: 2.362"(60mm)
Backward: 7.0866"(180mm)
Maximum hypoid offset: 4.53"(+/- 115mm)
Diameter of pinion spindle bore at the large end: 6"(152.4mm)
Taper of pinion and gear spindle: 60 / 39
Spindle speed pinion head stock: 0 ~ 200 rpm
Power of the main spindle motors (S1 / S6): 3,7 / 4,5 kW
Floor space L x W x H: 3.965 x 2.720 x 2.000mm
Net weight (approx.): 24,200 Lbs. (11.000 kGs)

ADDITIONAL FEATURES/EQUIPMENT:

-4-Axis SIEMENS CNC Control (For Pinion MD, Gear MD, Sliding Base,
Pinion Offsets)
-Basic Single Flank Software:

Single Flank inspection with FFT analysis
with interface software for digital tooth
contact display of inspection result with
a digital camera.
-Fully Automated Single Flank Operation
(The following options are included in the fully automated Single Flank

Operation)
Automatic Stock dividing using non-contact sensing system
to detect the tooth gap.
Automatic or foot actuated clamping of the pinion or gear.
Automatic positioning to pre-determined back lash.
Best backlash positioning based on single flank running characteristics
Automatic programming of single flank test cycles
Automatic movement to pre-determined position for bearing pattern
inspection for digital image capture.
Digital image capture with automatic storage of the image with the
single flank data inspection report.

MACHINE AUTOMATED FUNCTIONS:


The machine's automated functions and execution can best be described as

follows:

-The operator bring gear and pinion manually to the machine
(or robot / handling system)
-Automatic or manual clamping of the pinion and gear
-Automatic find correct position of the tooth gap by non-contact
position sensors.
-Inspection of angular position of gear and automatic position
of respective axes
-Automatic approach to pre-determined backlash.
-Automatic cycle start of Single Flank Inspection for
respective positions
-Automatic machine movements to test pattern position for
bearing pattern inspection for digital imaging capture.
-Digital imaging capture of the contact pattern and automatic
saving of the digital image to the test file.









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