Drilling Tool Dynamometers
Product Code : EL-TOML-11036
Quick answer: The drilling tool dynamometer measures the thrust and torque produced while drilling, so students can see how they change with speed, feed and depth. It is an armed-wheel strain gauge unit with a work piece holder, suitable for holes up to 25 mm in mild steel, and reads both values on a two-channel digital indicator. Lab Exports manufactures it in Delhi for engineering colleges, polytechnics and TVET institutes.
Specifications
| Component | Specification |
|---|---|
| Type | Armed-wheel type strain gauge drill dynamometer |
| Measures | Thrust and torque during drilling |
| Drilling capacity | Holes up to 25 mm in mild steel |
| Sensing unit | Mechanical sensing unit and work piece holder with strain gauges |
| Force indicator | Compact two-channel digital |
| Control panel | Balancing potentiometer, connecting cables, switches, fuses, screen printed front plate |
| Calibration | Factory calibrated with a proving ring; direct-reading indicator |
| Cutting fluid | Can be used during drilling |
How the drilling force test is done
A twist drill meets two main resistances: an axial thrust, mostly from the chisel edge at the centre of the drill, and a torque from the cutting lips along the two flutes. The thrust decides the feed force the machine must supply and the load on the drill point, while the torque sets the power needed and the risk of the drill twisting off.
The work piece is clamped in the dynamometer's holder on the drilling machine table. The armed-wheel sensing element separates the axial and rotational loads, so the two indicator channels show thrust and torque together during the cut. Students drill at several feeds and speeds and plot thrust and torque against feed, a standard exercise in metal cutting.
- Fix the dynamometer on the drilling machine table and clamp the work piece in its holder.
- Zero both channels with the balancing potentiometer.
- Set the spindle speed and feed for the first test.
- Drill the hole and note the steady thrust and torque readings.
- Repeat at other feeds, speeds and drill sizes up to 25 mm and plot the results.
Key features
- Armed-wheel strain gauge design for measuring thrust and torque together
- Work piece holder suitable for holes up to 25 mm in mild steel
- Compact two-channel digital force indicator
- Factory calibrated with a proving ring for direct readings
- Cutting fluid can be used during drilling
- Control panel with balancing potentiometer, switches, fuses and screen printed front plate
Documentation and supply
Installation instructions and a manual are supplied with the apparatus. Most Lab Exports products carry a one-year manufacturer warranty.
Lab Exports manufactures the drilling tool dynamometer at its works in Laxmi Nagar, Delhi, and supplies it to engineering colleges, polytechnics and TVET institutes in India and 60+ countries, handling the export documents for each shipment. More about the company is on the About Lab Exports page.
Related Theory of Machine Lab products
- Lathe Tool Dynamometers (EL-TOML-11035)
- Grinder Tool Dynamometers (EL-TOML-11034)
- Milling Tool Dynamometers (EL-TOML-11033)
- Tool Dynamometers (EL-TOML-11032)
- Dead Weight Pressure Gauge Tester (EL-TOML-11031)
- Journal Bearing Apparatus (EL-TOML-11030)
The full range is in the Theory of Machine Lab section of the Engineering Lab range.
Frequently asked questions
What is the drilling capacity of the drilling tool dynamometer?
It is suitable for drilling holes up to 25 mm in mild steel.
How is the dynamometer calibrated?
It is calibrated at the factory with a proving ring, so the indicator gives direct readings.
What is the price of the drilling tool dynamometer?
Prices are not published on the website. Add the drilling tool dynamometer to the Enquiry Cart with the Add To Cart button on this page, or email [email protected] with the house code EL-TOML-11036 and the quantity, to receive a quotation.
Does Lab Exports manufacture the drilling tool dynamometer?
Yes. Lab Exports manufactures the drilling tool dynamometer at its works at 11/315, Lalita Park, Laxmi Nagar, Delhi 110092, under house code EL-TOML-11036.
Request a quote
Email [email protected] with the house code EL-TOML-11036 and the quantity, or add the drilling tool dynamometer to the Enquiry Cart with the Add To Cart button on this page. Tender buyers can also see the Tenders and OEM page.
