Load Dynamometer

1. Appointment of benefits

Dynamometer demonstration is intended to demonstrate experiments on mechanics: the addition and expansion of forces; To determine the response to the beam supports, lying on two pillars; Archimedes' principle; equilibrium conditions levers, etc.

2. Configuration

dynamometer round - 2 pcs.

model of the beam with divisions - 1 pc.

hook beams - 2 pcs.

Prism - 2 pcs.

block - 2 pcs.

playground - 2 pcs.

rod for mounting on a tripod gauge - 2 pcs.

manual - 1 pc.

crates - 1 pc.

3. Device design

1. Dynamometer is made of a circular metal casing having a face on one side with an arrow, and the other - the mechanism. The mechanism comprises two springs, worn on the axis and a gear rack. The rail ties from the axis of the upper and lower meshed with the pinion, which is attached needle. Mechanism closed metal box from which the ends of the axes go up and down. Under the action of forces on the rail axis moves and rotates the gear with the arrow. Adjustment mechanism dynamometer corrector on the top axis. Arrow and dial transparent lid closed. The scale of the dial has left and right zero cost 10 divisions each one newton. Figures on the scale marked every 2 newtons, and each division is taken as one newton.

2. Model rectangular beam is made of wood. Along the edge of the beam is applied eleven black dots scale. On the upper bound of the beam can be put weight (weights) or suspended load on the hook. The load is not to exceed 10 N. As mountings beams on dynamometers are prisms that must be mounted on the upper bars dynamometers.

1. Facilities and components, as well as prisms, rods must be mounted on dynamometers, and loads are placed on the sites, and blocks thrown through the thread of the load.

4. Operation

1. To arm trials using dynamometer demonstration required physical supports.

2. Methodology for conducting experiments is well covered in textbooks and methodological literature.

3. Dynamometers must be periodically inspected and load control with a difference of over 2% make adjustments corrector.

5. Retention rules

When storing dynamometers should not be left under load. Store in a dry heated room.

Dynamometers - compact and easy to install

on the actuator, crossarms and other test

devices. Dynamometers this design

practically insensitive to lateral forces

have excellent linearity and excellent

testing of tensile-compression with virtually

absence of hysteresis. This includes the dynamometer

a circuit for auto calibration shunt,

thereby eliminating the need for calibration in place

during the installation process. Load Dynamometer are made with high

accuracy of high-strength steel.

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