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Supplier: Boston Gear
Description: steel, they offer the smoothest, quietest form of gearing when properly applied. Because the efficiency of a worm gear drive depends on the lead angle and number of starts on the worm, it's important to keep the ratio as low as possible. It is equally important
- Design Units: English
- Gear Type: Worm
- Metal: Carbon / Alloy Steel, Hardened Steel
- Plastic: Acetal, Nylon
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Supplier: Boston Gear
Description: properly applied. Boston Gear offers worm gears manufactured from a variety of materials, such as acetal, minlon, bronze, and cast iron to suit your application's requirements. Note: Because the efficiency of a worm gear drive depends on the lead angle and
- Design Units: English
- Gear Type: Worm Wheel
- Metal: Bronze, Cast Iron
- Plastic: Acetal, Other Plastic
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Supplier: W.M. Berg
Description: Best choice of gearing when high drive reduction is required. Worm Wheels resemble spur gears with the addition of a throat cut into the O.D. of wheel. The throat permits the worm wheel to fully envelope the threads of the worm. Threads, not teeth are cut on
- Gear Type: Worm
- Metal: Brass
- Pressure Angle: 20°
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Supplier: W.M. Berg
Description: Best choice of gearing when high drive reduction is required. Worm Wheels resemble spur gears with the addition of a throat cut into the O.D. of wheel. The throat permits the worm wheel to fully envelope the threads of the worm. Threads, not teeth are cut on
- Gear Type: Worm
- Length: 0.4375 inch
- Metal: Bronze
- Pressure Angle: 25°
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Supplier: W.M. Berg
Description: Best choice of gearing when high drive reduction is required. Worm Wheels resemble spur gears with the addition of a throat cut into the O.D. of wheel. The throat permits the worm wheel to fully envelope the threads of the worm. Threads, not teeth are cut on
- Bore Diameter (if applicable): 0.3150 inch
- Gear Type: Worm
- Metal: Stainless Steel
- Pitch Diameter: 0.6299 inch
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Supplier: W.M. Berg
Description: Best choice of gearing when high drive reduction is required. Worm Wheels resemble spur gears with the addition of a throat cut into the O.D. of wheel. The throat permits the worm wheel to fully envelope the threads of the worm. Threads, not teeth are cut on
- Shaft Material: Stainless Steel
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Supplier: Venture Mfg. Co.
Description: Venture’s FD actuators combine an Acme screw with a DC worm drive motor gearbox providing a quiet, light weight, rugged and reliable ready to install linear drive system. Suitable for many applications, it is commonly used in Lift Chairs, Home Health Care equipment and Mobility
- Actuation Type: Electrical
- Device Type: Rod Type
- Drive Specifications: Lead Screw/ACME Screw, Gear Drive
- Features: Magnetic Switch, Thermal Overload Protection
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Supplier: Indelac Controls, Inc.
Description: series actuators are equipped with a combination spur gear-worm/worm gear drive train providing efficient and quiet operation, resistance to back driving and long maintenance free service. The heavy-duty sand-cast aluminum enclosure meets NEMA 4 specifications and is
- Maximum Torque: 27300 In-lbs
- Operating Temperature: -40 to 150 F
- Position Feedback: Yes
- Rotation Angle: 90°
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Supplier: Indelac Controls, Inc.
Description: series actuators are equipped with a combination spur gear-worm/worm gear drive train providing efficient and quiet operation, resistance to back driving and long maintenance free service. The heavy-duty sand-cast aluminum enclosure meets NEMA 4 specifications and is
- Maximum Torque: 14040 In-lbs
- Operating Temperature: -40 to 150 F
- Position Feedback: Yes
- Rotation Angle: 90°
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Supplier: Indelac Controls, Inc.
Description: series actuators are equipped with a combination spur gear-worm/worm gear drive train providing efficient and quiet operation, resistance to back driving and long maintenance free service. The heavy-duty sand-cast aluminum enclosure meets NEMA 4 specifications and is
- AC Phase: Single Phase
- AC Voltage: 115 to 230 volts
- Actuation Time: 68 seconds
- Actuator Torque: 5000 to 14040 In-lbs
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Supplier: Asahi/America, Inc.
Description: The Spider™ 125 with universal clamping system is the preferred equipment for quick and accurate socket fusion field installations of 63mm to 125mm polypropylene pipe. The lightweight, compact device features a worm gear drive with parallel link system to bring pipe and fittings
- Equipment Type: Welding Equipment
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Description: adjustment mechanism. This lockable mechanism is adjustable from 10 to 100%. Drive The heart of the LK is the dual-cam drive with a built-in worm gear type speed reducer. This compact & rigid mechanism, provides maximum wear resistance in continuous operation over long
- Discharge Size: 0.5000 inch
- Housing Material: Aluminum
- Maximum Discharge Pressure: 120 psi
- Maximum Discharge Flow: 0.5300 GPM
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Description: the LK is the dual-cam drive with a built-in worm gear type speed reducer. This compact & rigid mechanism, provides maximum wear resistance in continuous operation over long periods of time. Motors All of the standard models employ totally enclosed fan-cooled motors which are
- Discharge Size: 1 inch
- Maximum Discharge Pressure: 75 psi
- Maximum Discharge Flow: 0.8900 GPM
- Pump Type: Metering Pumps, Positive Displacement Pumps
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RSM Family Ultra Compact, Worm Gear Drive Rotary Stage Compact and low profile stage (read more)
Browse Rotary Stages Datasheets for Zaber Technologies, Inc. -
, mining industry machines, on rudders, and worm drive saws. Worm gears are typically manufactured by hobbing with a hob or cutting tool very similar to the worm that the gear mates with. The worm may be turned, hobbed, milled, or ground. Gear Motions is capable of manufacturing worm (read more)
Browse Worms and Worm Gears Datasheets for Gear Motions, Inc. -
friction drive mechanism, worm gear pairs have very poor efficiency. Similar to helical gears, worm wheels are also cylindrical disks which have involute shaped teeth cut into their face at an angle. For worm gear pairs, this is the lead angle and it is identical to the angle cut into the worm. The (read more)
Browse Worms and Worm Gears Datasheets for KHK USA, Inc. -
SDP/SI offers a variety of different worms and their mating worm gears both metal and molded. These can be made custom with different numbers of teeth, custom bores, and passivation for stainless steel. SDP/SI offers a wide variety of inch and metric small mechanical components for (read more)
Browse Gears Datasheets for Stock Drive Products & Sterling Instrument - SDP/SI -
solutions. Metric Gear Products Worms & Worm Wheels – Does your application require a large speed reduction with high torque in a compact space? A simple solution is a worm gear drive. QTC Metric Gears stock (read more)
Browse Worms and Worm Gears Datasheets for QTC METRIC GEARS -
. Each model is designed around a 1.333 inch center distance. All models are constructed with double sealed, heavy duty ball bearings and case hardened worm gears. (read more)
Browse Gearboxes and Gearheads Datasheets for Branham, W.C. Inc. -
We had a customer recently request a right angle spiral bevel gear design that was to be incorporated into a hybrid diesel/electrical power package to drive a bus. Much like a train power supply, the diesel engine was to drive a generator that (read more)
Browse Gearboxes and Gearheads Datasheets for DieQua Corporation -
mixers, watering systems and crushers. Worm Gear Worm gears utilized in farm machines, small conveyors and packing equipment consist of a screw-shaped cut on the Worm Gear exampleshaft, the worm, and the matching gear, the (read more)
Browse Helical Gears Datasheets for Gear Motions, Inc. -
companies to develop components and precision gear assemblies, planetary gearheads, and worm gear drives that meet their specific needs. The SDP/SI Fairloc Hub is required by many companies due to its superior design, explore the (read more)
Browse Gears Datasheets for Stock Drive Products & Sterling Instrument - SDP/SI -
A worm gearbox, also known as a worm reducer or worm drive, is a mechanical power transmission device that transfers rotational motion and power between two non-intersecting, perpendicular axes. It consists of two main components: the worm and the worm gear. The (read more)
Browse Gearboxes and Gearheads Datasheets for Chenyue (Jiangsu) Technology Co., Ltd.
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Designing Miniature Gimbal Systems with the RSM and the GSM - Our Miniature Rotary and Goniometer Stages
Zaber's RSM and GSM family of stages are designed to share a common form factor and mounting pattern. This makes them well suited to be stacked into many different configurations of compact gimbal systems. The RSM family of ultra compact rotation stages features a stepper motor driven worm drive
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The terminal stage of the gear train is a non- back drivable worm gear assembly.
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Internal worm gears prevent back drive caused by unbalanced loads.
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TerminatorBot: a novel robot with dual-use mechanism for locomotion and manipulation
The worm gear prevents back driving the motors.
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Design of a passive brake mechanism for tendon driven devices
Several mechanisms were developed in the past to make actuators non- back - drivable .3 Worm gear pairs and lead-screws were employed to earn non-back-drivability.4,5 High .
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Steerable Hopping Six-Legged Robot
Two non- back - driveable worm - gear motor drives are used to control the relative position of the two frames along two axes 120 apart, thereby controlling the common tilt of all six legs and thereby, further, controlling the direction of hopping.
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Design and development of a three dimensional kinematic simulation, steering system and scientific instrument deployment mechanism for a planetary micro-rover
However when a wheel disturbance produces a force at the worm gear, this friction is what prevents the worm gear from being back driven and the axle from rotating.
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Principles and techniques for designing precision machines
Some transmissions such as high-ratio worm gears will not back drive well enough or not at all.
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Mechatronics in Medicine: A Biomedical Engineering Approach > Mechanisms and Mechanical Devices
Although worm drives are used for reducing rotational speed and transmitting high torque, they can become self-locking in large reduction ratios because they are not back - drivable (the worm gear cannot drive the worm).