A Milling is the machining process of using rotary cutters to remove material from a work piece by advancing (or feeding) in a direction at an angle with the axis of the tool.
A dynamometer or "dyno" for short, is a device for measuring force, torque, or power. For example, the power produced by an engine, motor or other rotating prime mover can be calculated by simultaneously measuring torque and rotational speed (RPM).
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PERFORMANCE AND ANALYSIS OF MILLING TOOLS DYNAMOMETER
1.
2. INTRODUCTION
A Milling is the machining process of using rotary cutters to remove material from
a work piece by advancing (or feeding) in a direction at an angle with the axis of
the tool.
A dynamometer or "dyno" for short, is a device for measuring force, torque,
or power. For example, the power produced by an engine, motor or other
rotating prime mover can be calculated by simultaneously measuring torque
and rotational speed (RPM).
3. OBJECTIVES
To Performance and Analysis of Milling Machine with an Dynamometer.
To be calculated by simultaneously measuring torque and rotational speed (RPM).
To making a effective Analysis system with low cost.
To with advances in technology, milling dynamometers are increasingly used for
the accurate measurement of forces and for optimizing the machining process.
A milling dynamometer is a multi-component dynamometer that is used to
measure forces during the use of the machine tool.
4. WORKING PRINCIPLE OF MILLING DYNAMOMETER
Turning Tool Force measuring system is most suitable for analyzing the acting force
on a lathe tool during turning operation. The system displays and indicate forces in X,
Y and Z direction on a lathe tool during turning operation.
It comprises of triaxial piezo-electric measuring sensor.
Signal from the sensor are transmitted to signal conditioner which in turn send those
to communication card, which further processed by using “LT” software.
LT force measuring software to display all of the forces with graphics on computer
monitor
5. SPECIAL FEATURES
Easy to operate
Measures force in lateral and longitudinal direction
Digital display of forces simultaneously
Rugged design
Can be mounted on any kind of milling machine
Microprocessor based design
Waterproof
6. TECHANICAL SPECIFICATION
Capacity: 5 KN
Measuring Range : 0- 5.000 N (Lateral and Longitudinal both)
Display : Digital Accuracy : ± 1% (Traceable to National Standard)
Dimensions : 250 x 300 x 75 mm
Weight : 32 kg. approx.
Accessories : Milling Table with “T” Slot
7. COMPONENTS OF MILLING DYNANOMETER
DYNANOMETER
DIGITAL MULTICOMPONENT FORCE INDICATOR
INFRARED THERMOMETER
MILLING TOOL DYNAMOMETER
8. DYNAMOMETER
Dynamometer for measurement of both the thrust force of the control and the
torque produced on the work piece.
Used to establish Milling force, study tool configuration and lubricant
characteristics.
This can be bolted directly, as slots are provided to attach vise or fixture on both
top and bottom flanges. The instrument is complete in sealed construction.
9. DYNAMOMETER SPECIFICATION
Force : Torque and Thrust.
Range of force :
For smaller drilling machines with ½ inch bolt mounting slot
Model 600A - 100kg. Thrust 10 kgm. Torque
Model 600B - 200kg.Thrust 10 kgm. Torque.
Model 600C - 500kg.Thrust 20 kgm. Torque.
11. DIGITAL MULTICOMPONENT FORCE INDICATOR
Instrument comprises of two independent digital display units calibrated to display
force directly using two-component milling tool dynamometer.
This instrument comprises of independent DC excitation supply for feeding strain
gauge bridges, signal processing system to process and compute respective force
value for direct independent display in kgf units.
Instrument operates on 230v, 50 c/s AC mains.
13. INFRARED THERMOMETER
An infrared thermometer is a thermometer which infers temperature from a portion of
the thermal radiation sometimes called blackbody radiation emitted by the object being
measured.
They are sometimes called laser thermometers as a laser is used to help aim the
thermometer, or non-contact thermometers or temperature guns, to describe the
device's ability to measure temperature from a distance.
By knowing the amount of infrared energy emitted by the object and its emissivity, the
object's temperature can often be determined. Infrared thermometers are a subset of
devices known as "thermal radiation thermometers".
15. MILLING TOOL DYNAMOMETER
The milling tool dynamometer can be mounted on the table of the milling machine
and any component to be milled can be fixed over the dynamometer.
Slots are provided to mount the dynamometer to the milling machine. Holes have
been provided on the milling dynamometer to enable any type of component to be
fixed on it.
The output terminals are provided for the force in XYZ direction acting on the
working piece.
16. MILLING TOOL DYNAMOMETER SPECIFICATION
Force : X Y Z direction.
Range of force :
Model 630A - 100kg in XYZ direction
Model 630B - 200kg in XYZ direction
Model 630C - 500kg in XYZ direction
Model 630D - 200 Kg. Force (X) & Thrust (Y); 20 Kg. Torque for Vertical Milling.
Sensor : 4 arm bounded strain gauge component bridge for each force.
Bridge resistance : 350 Ohms typical.
18. SOFWARE FOR MILLING DYNAMOMETER
This software is made for the data acquisition with TeLC cutting tool dynamometers
with serial data output .
The HTML-instruction manual is readable with the Internet Explorer
The simulation mode allows training on the program without connected dynamometers
The software contains a variety of features, such as data acquisition, calculation of
derivated data and edit fields for technological data input
The quantities can be displayed with bars, tables and plotter with automatic scaling
Different preconfigured evaluation templates
Powerfull data editing functions for post editing