-lab-828036244.jpg "Worm and Wheel Apparatus (30 : 1 ratio)")
The Worm and Wheel Apparatus pair has a single start and a ratio of 30:1. The Worm and Wheel Apparatus are positioned a set distance apart to mesh correctly. Both parts run in bearings with the worm operating with an additional thrust bearing. Worm and Wheel Apparatus high quality example of an industry standard worm and wheel pairing is built on a substantial wall mounted bracket for vertical mounting.
Attached to the end of the Worm and Wheel Apparatus is a pulley (EFFORT) of known effective diameter. This pulley is used for the loading of the system. Again a cord is wrapped around its periphery and terminates in a load hanger. This hanger helps exert the loading onto the system via the weights set provided. This pulley helps exert the effort to raise a load. A cord is wrapped around its periphery and terminates in a load hanger for applying effort load. Attached to the front of the wheel is another pulley (LOAD) of known effective diameter.
Experimental Capabilities:
Determination of EFFORT with variation of load
Determination of limiting efficiency of the machine
Determination of friction with variation of load
Experimental determination of velocity ratio and comparison with calculated value
Determination of efficiency with variation of load.
Optical Bench 3 Source Accessory 01
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The PBM DP arrangement 3 Roll Pyramid Type Hydro-MechanicalPlate Bending are planned with twofold side pre-squeezing course of action. The top roller is settled and pre-pinching by bothbase rolls are through pressure driven barrels. The job is bolstered from oneend to complete pre-squeezing and whole shell is moved to wanted curve span. This component makes the machine more gainful and reasonable for taking care of overwhelming employments. Flip side pre-squeezing is done by second base move to finish the shell. Theone of a kind outline allows the pre-squeezing of employment by both baserolls; subsequently the occupation is finished in single operation. Thecomplete shell is set up in single operation.
Features:
3 Roll PYRAMID Type outline with twofold pre-squeezing gameplan
Twisting rolls are made of combination steel.
Dropper end assurance by pressure driven barrels.
Over-burden prevention
Two base rolls are force driven via planetary apparatus boxwith electric or water powered engine.
Low part, smooth operation and less power utilizationbecause of water powered framework works at lower weight in littler thickness.
Top roll is repaired and base moves and down.
Base moves up-down through water powered chambers.
Optical Bench 3 Accessory
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Straight Edge 300 MM long galvanized steel, to level the concrete.
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Optical Bench 3 Accessory 03
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Optical Bench 3 Accessory 04
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Turbidity Standards are stabilized standards prepared in ready-to-use concentrations to ensure accurate turbidity measurements.
Save time and eliminate errors - no need for dilution
EPA approved primary turbidity standard
Eliminate the opportunity for inaccurate turbidimeter calibrations resulting from the improper dilution or handling of stock solution.
Long shelf life
As a primary standard, Turbidity Standards can be used to calibrate or verify any manufacturer's turbidimeter.
All concentrations of Turbidity Standards are verified to meet tight quality control specifications, are EPA and ISO compliant for reporting purposes and guaranteed to save you time.
Features:
PBM SERIES (Mechanical)
The top roll adjustment is by Screw Jack
3 roll PYRAMID type design machine
Bending rolls are made of alloy steel
Bottom rolls are power driven
PBM SERIES (Hydro-Mechanical)
Bottom rolls are power driven
Bending rolls are made of alloy steel
3 roll PYRAMID type design machine
The top roll adjustment is by Hydraulic Cylinder
3 Roll Pyramid Type Mechanical Plate Bending Machine:
The upper roll is having manual up & down adjustment to achievedesired bending radius. In this machine, the bottom rolls are driven by electric motor & gear box. This is a very simple & robust design machinesuitable for light to medium jobs. The PBM series 3 Roll Pyramid Type Mechanical Plate bendingare designed to cater the basic requirements of bending & forming of metal plates.
Intended use:
PCR plate to be used on most standard 384 wells block thermocyclers, RT PCR platforms, DNA Sequencers.
To retract skin, fatty tissue, muscles or viscera after the abdominal incision to expose the operative field.
3 blades, the two lateral blades being mobile and the center blade removable.
Static function instrument: abdominal self-retaining retractor.
With locking mechanism (self-holding).
Material: Martensitic steel (quenched, magnetic steel).
Martensitic steel composition: 0.15-0.50% carbon, 12-15% chromium, 0.45-0.90% molybdenum.
Reusable.
Solid lateral blades: approx. 38 x 60 mm.
Solid center blade: approx. 38 x 55 mm.
Maximum wound opening: approx. 100 mm.
Intended use:
PCR plate to be used on most standard 384 wells block thermocyclers, RT PCR platforms, DNA Sequencers.
Surgical dissecting scissors used for cutting tissue, threads and dressings.
Material: Martensitic steel (quenched, magnetic steel).
Martensitic steel composition: 0.15-0.40 % carbon; 13-14 % chromium.
Instrument that cuts by shearing: operating, dissecting scissors.
Curved, with blunt end blades.
Length: 23 cm.
Reusable.
This feature makes the machine more productive and suitable for handling heavy jobs. Dropper end movement is done by hydraulic cylinder. The 3 Roll Pyramid Type Hydro Mechanical Plate Bending Machines are designed with top roll UP & DOWN movement by hydraulic cylinder. This saves time & labor to adjust top roll.
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Analogic Strain Gauge 300 MM Length instrument can also be used for other structures like steel and wood. Strain gauge, 300 mm. measuring length.
Different models are available with analogic or digital gauge, 100, 200, 300 mm measuring length, depending on the standard length to be measured. Analogic Strain Gauge 300 MM Length Used to determine the strain (length changes) in concrete specimens and structures, rock strata, different parts of a structure, in remote areas and under adverse conditions, using a single instrument.
Surgical scissors used for cutting or dissecting delicate tissue.
Material: Martensitic steel (quenched, magnetic steel).
Martensitic steel composition: 0.16-0.40 % carbon, 14 % chromium.
Thin, curved, with blunt end blades.
Length: 23 cm.
Reusable.
Instrument that cuts by shearing: surgical scissors Metzenbaum/Nelson.
DC Power Supply DC 0 to 30V Variable DC Electronic Engineering Lab
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AC Voltage Regulator 0-400V, 3000W, 50Hz Electronic Engineering Lab
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Material: Silver-coated copper with brass handle or Austenitic steel (non-quenched, non-magnetic steel).
Austenitic steel composition: 16 - 18% chromium; 10 - 14% nickel; 2 - 3% molybdenum.
To measure and/or explore the depth or length of the uterus, cervix, and vagina.
Bulbous distal end, mounted on a handle.
Static function instrument: uterine sound.
Malleable shaft graduated in cm.
Reusable.
Length: approx. 32 cm.
Endotracheal tube shall meet the standards describing the dimensions, the tube characteristics, tube point and tube markings.
Material: Polyvinyl chloride (PVC).
Disposable.
Sterile.
Size: Ø internal 3mm.
Endotracheal tube with:
Open distal end and Magill-type point with oral angle of 37.5º.
Radio opaque mark.
With Murphy's eye.
Graduations.
Standard connector (ext. Ø 15mm) at the proximal end enabling the tube to be connected to the ventilation system.
Endotracheal tube without cuff.
Initial sterilisation method: Ethylene oxide gas or Gamma radiation.
