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Supplier: Century Spring Corp.
Description: . Long extension capabilities, constant torque and virtual absence of intercoil friction have led many designers to specify constant force springs in such applications as brush springs for motors, counterbalance springs for window sashes and carriage return
- Load Force: 3.63 lbs
- Material: 301 Stainless Steel
- Outside / Drum Diameter: 0.1560 to 0.4200 inch
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Description: the assembly of mechanisms. Various industrial hardware components are used in the assembly process including knobs, washers, spacers, shims, handles, springs, spring-powered reels, and ball plunger screws. Fasteners play a vital role in a wide range of applications, from everyday
- Life Cycle: 2500 cycles
- Material: 301 Stainless Steel
- Outside / Drum Diameter: 2.01 inch
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Description: the assembly of mechanisms. Various industrial hardware components are used in the assembly process including knobs, washers, spacers, shims, handles, springs, spring-powered reels, and ball plunger screws. Fasteners play a vital role in a wide range of applications, from everyday
- Life Cycle: 2500 cycles
- Material: 301 Stainless Steel
- Outside / Drum Diameter: 2.46 inch
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Description: the assembly of mechanisms. Various industrial hardware components are used in the assembly process including knobs, washers, spacers, shims, handles, springs, spring-powered reels, and ball plunger screws. Fasteners play a vital role in a wide range of applications, from everyday
- Life Cycle: 2500 cycles
- Material: 301 Stainless Steel
- Outside / Drum Diameter: 0.5600 inch
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Description: the assembly of mechanisms. Various industrial hardware components are used in the assembly process including knobs, washers, spacers, shims, handles, springs, spring-powered reels, and ball plunger screws. Fasteners play a vital role in a wide range of applications, from everyday
- Life Cycle: 2500 cycles
- Material: 301 Stainless Steel
- Outside / Drum Diameter: 1.12 inch
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Supplier: Dynatect Manufacturing, Inc.
Description: contains brass plates interfaced with long-life friction material and soft springs maintain pressure on the friction plates, assuring constant torque Customization: An alternative component can replace standard clutch housing, reducing overall cost or space concerns.
- Bore Diameter: 0.3750 to 1 inch
- Clutch Engagement: Friction
- Diameter: 1.5 to 3 inch
- Drive / Load Connection: In-line Shafts
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Supplier: United Equipment Accessories, Inc.
Description: ? Heavy structural dual support design for structural strength ? Multiple spring motor options with many torque options ? Available in stainless steel to help with corrosive environments ? High power circuit rating options allow for higher amperages
- Material of Construction: Stainless Steel
- Rewind: Spring
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Supplier: Clampco Products, Inc.
Description: constant band tension. Several additional design advantages make Clampco clamps the preferred solution for critical applications. With 300 series stainless steel bands and trunnions, Clampco Spring-Loaded Clamps provide high strength and corrosion resistance. Solid bands prevent hose
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Supplier: Kuriyama of America, Inc.
Description: ; two-piece, 300 series stainless steel housing and ten Bellville spring washers. "Constant Tension" Performance - Belleville spring mechanism permits the clamps to automatically increase or decrease diameter due to operational or environmental temperature changes
- Capacity / Opening: 3.25 to 4.12 inch
- Clamping Width: 0.5625 inch
- Material: Stainless Steel, Other
- Type: Worm Drive Hose Clamps
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Supplier: Kuriyama of America, Inc.
Description: ; two-piece, 300 series stainless steel housing and ten Bellville spring washers. "Constant Tension" Performance - Belleville spring mechanism permits the clamps to automatically increase or decrease diameter due to operational or environmental temperature changes
- Capacity / Opening: 2.75 to 3.62 inch
- Clamping Width: 0.5625 inch
- Material: Stainless Steel, Other
- Type: Worm Drive Hose Clamps
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Supplier: Kuriyama of America, Inc.
Description: ; two-piece, 300 series stainless steel housing and ten Bellville spring washers. "Constant Tension" Performance - Belleville spring mechanism permits the clamps to automatically increase or decrease diameter due to operational or environmental temperature changes
- Capacity / Opening: 7.75 to 8.62 inch
- Clamping Width: 0.5625 inch
- Material: Stainless Steel, Other
- Type: Worm Drive Hose Clamps
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Supplier: Kuriyama of America, Inc.
Description: ; two-piece, 300 series stainless steel housing and ten Bellville spring washers. "Constant Tension" Performance - Belleville spring mechanism permits the clamps to automatically increase or decrease diameter due to operational or environmental temperature changes
- Capacity / Opening: 4.25 to 5.12 inch
- Clamping Width: 0.5625 inch
- Material: Stainless Steel, Other
- Type: Worm Drive Hose Clamps
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Supplier: Clark Solutions
Description: 310B2(-S), EN310B2-ZS(-S) and EN310D2(-S) direct coupled 24 VAC non-spring return (NSR) rotary electronic actuators are designed for modulating control of building HVAC dampers or valves. These actuators are used in constant or variable air volume installations for the control of
- AC Phase: Single Phase
- AC Voltage: 24 volts
- Actuation Method: Electric
- Actuator Torque: 310 In-lbs
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Supplier: Clark Solutions
Description: 142D2(-S) direct coupled 24 VAC spring return electronic actuators are designed for modulating control of building HVAC dampers and valves. These actuators are used in constant or variable air volume installations for the control of return air, mixed air, exhaust, and face and bypass
- AC Phase: Single Phase
- AC Voltage: 24 volts
- Actuation Method: Electric
- Actuator Torque: 75 In-lbs
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Supplier: Ogura Industrial Corp.
Description: FAST RESPONSE The torque of H series electromagnetic hysteresis clutches and brakes is independent of slip speed. Torque is directly proportionate to coil current, thus the torque of each unit can be adjusted by varying the current. Once the current is stable, the torque
- Application / Type: Industrial / General Purpose
- Bore Diameter: 0.3937 to 0.7087 inch
- Clutch Engagement: Noncontact
- Diameter: 4.41 inch
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Supplier: Bray Commercial
Description: These Bray direct-coupled spring return rotary electric actuators are designed for On/Off, Tri-State, or Modulating control of building HVAC valves and dampers. These actuators are used in constant or variable air volume installations for the control of return air, mixed air, exhaust,
- AC Phase: Single Phase
- AC Voltage: 24 volts
- Actuation Method: Electric
- Actuator Torque: 140 In-lbs
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Supplier: Bray Commercial
Description: Conditioning (HVAC) applications. The D-35 Series Electric Non-Spring Return Actuators provide a running torque of 35 lb-in (4 Nm). The nominal travel time is 60 seconds at 60 Hz (72 seconds at 50 Hz) for 90° of rotation (non-adjustable models). Features: Compact, Lightweight
- AC Phase: Single Phase
- AC Voltage: 24 volts
- Actuation Method: Electric
- Actuator Torque: 35 In-lbs
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Supplier: Bray Commercial
Description: Conditioning (HVAC) applications. The VA-35 Series Electric Non-Spring Return Actuators provide a running torque of 35 lb-in (4 Nm). The nominal travel time is 60 seconds at 60 Hz (72 seconds at 50 Hz) for 90° of rotation (non-adjustable models). Features: Compact
- AC Phase: Single Phase
- AC Voltage: 24 volts
- Actuation Method: Electric
- Actuator Torque: 35 In-lbs
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Supplier: Mach III Clutch, Inc.
Description: Operation Applying air pressure releases the spring applied friction brake and engages the friction clutch Torque of the clutch is linear in response to air pressure applied above the brake release pressure Brake torque is fixed by spring pressure
- Bore Diameter: 1.38 to 2 inch
- Brake Engagement: Friction
- Brake Operation: Spring Actuation / Engage
- Clutch Engagement: Friction
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Supplier: Mach III Clutch, Inc.
Description: Operation Applying air pressure releases the spring applied friction brake and engages the friction clutch Torque of the clutch is linear in response to air pressure applied above the brake release pressure Brake torque is fixed by spring pressure
- Bore Diameter: 0.6250 inch
- Brake Engagement: Friction
- Brake Operation: Spring Actuation / Engage
- Clutch Engagement: Friction
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Supplier: Mach III Clutch, Inc.
Description: Operation Applying air pressure releases the spring applied friction brake and engages the friction clutch Torque of the clutch is linear in response to air pressure applied above the brake release pressure Brake torque is fixed by spring pressure
- Bore Diameter: 0.6250 inch
- Brake Engagement: Friction
- Brake Operation: Spring Actuation / Engage
- Clutch Engagement: Friction
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Supplier: Mach III Clutch, Inc.
Description: Operation Applying air pressure releases the spring applied friction brake and engages the friction clutch Torque of the clutch is linear in response to air pressure applied above the brake release pressure Brake torque is fixed by spring pressure
- Bore Diameter: 1 to 1.44 inch
- Brake Engagement: Friction
- Brake Operation: Spring Actuation / Engage
- Clutch Engagement: Friction
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Supplier: RS Components, Ltd.
Description: Festo DFPD series quarter turn rotary actuators feature a rack and pinion combination with a constant torque characteristic. The modular and compact design of the DFPD series allows various spring configurations as a suitable solution for different applications. Quarter turn
- Acting Type: Single Acting (Air to Spring)
- Actuator Torque: 4248 In-lbs
- Air Supply Pressure Range: 29.01 to 116 psi
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Supplier: RS Components, Ltd.
Description: Festo DFPD series quarter turn rotary actuators feature a rack and pinion combination with a constant torque characteristic. The modular and compact design of the DFPD series allows various spring configurations as a suitable solution for different applications. Quarter turn
- Acting Type: Single Acting (Air to Spring)
- Actuator Torque: 708 In-lbs
- Air Supply Pressure Range: 29.01 to 116 psi
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Supplier: RS Components, Ltd.
Description: Festo DFPD series quarter turn rotary actuators feature a rack and pinion combination with a constant torque characteristic. The modular and compact design of the DFPD series allows various spring configurations as a suitable solution for different applications. Quarter turn
- Acting Type: Single Acting (Air to Spring)
- Actuator Torque: 177 In-lbs
- Air Supply Pressure Range: 29.01 to 116 psi
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Supplier: RS Components, Ltd.
Description: Festo DFPD series quarter turn rotary actuators feature a rack and pinion combination with a constant torque characteristic. The modular and compact design of the DFPD series allows various spring configurations as a suitable solution for different applications. Quarter turn
- Acting Type: Single Acting (Air to Spring)
- Actuator Torque: 1062 In-lbs
- Air Supply Pressure Range: 29.01 to 116 psi
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Supplier: Ogura Industrial Corp.
Description: FAST RESPONSE The OP series has been designed to provide fast response. Response rates can be further quickened through overexcitation circuits. SLIP CAPACITY OP series units are designed to deliver high performance under constant slip conditions. NO CONTAMINATION
- Clutch Engagement: Friction, Magnetic Particle
- Operating Voltage: 24 volts
- Spring Assistance: Spring Return / Disengage
- Torque Rating: 6 Ft-lbs
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Supplier: Force Control Industries, Inc.
Description: Horizontal or Vertical Mounting Dust, Dirt, and Moisture Proof Standard or Custom Mounting Each model variable Torque – Number of Springs and Discs Tapered collet Bore and keyway Spline shaft connection Five model sizes
- Bore Diameter: 0.6250 to 3.38 inch
- Brake Engagement: Oil Shear
- Brake Operation: Spring Actuation / Engage, Spring Return / Disengage
- Brake Type: Other
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Supplier: Ogura Industrial Corp.
Description: FAST RESPONSE The OP series has been designed to provide fast response. Response rates can be further quickened through overexcitation circuits. SLIP CAPACITY OP series units are designed to deliver high performance under constant slip conditions. NO CONTAMINATION
- Bore Diameter: 0.2362 inch
- Brake Engagement: Magnetic Particle, Friction
- Brake Operation: Spring Return / Disengage
- Diameter: 1.81 inch
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Supplier: Ogura Industrial Corp.
Description: FAST RESPONSE The torque of H series electromagnetic hysteresis clutches/brakes is independent of slip speed. Torque is directly proportionate to coil current, thus the torque of each unit can be adjusted by varying the current. Once the current is stable, the torque
- Bore Diameter: 0.3937 inch
- Brake Engagement: Noncontact
- Brake Operation: Spring Return / Disengage
- Diameter: 4.41 inch
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Supplier: Force Control Industries, Inc.
Description: fluid circulating through the brake friction stack moves the heat of engagement to the housing to be cooled. This allows the brake to operate at a constant torque for many years without adjustment, or maintenance. They can survive the harsh environments of mining, manufacturing,
- Bore Diameter: 0.6250 to 3.62 inch
- Brake Engagement: Oil Shear
- Brake Operation: Spring Return / Disengage
- Diameter: 20.1 inch
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Supplier: Hangzhou Chinabase Machinery Co., Ltd.
Description: Characteristics: High torque Quick response Using constant-load type spring Quick response and high reliability when connecting and dis-connecting Torque is transmitted in any position along the entire circumference or Torque is transmitted only in one place in one
- Application / Type: Industrial / General Purpose
- Length: 1.69 to 4.33 inch
- Operating Voltage: 24 volts
- Rotational Speed: 1500 to 2000 rpm
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Supplier: Hangzhou Chinabase Machinery Co., Ltd.
Description: Characteristics: High torque Quick response Using constant-load type spring Quick response and high reliability when connecting and dis-connecting Torque is transmitted in any position along the entire circumference or Torque is transmitted only in one place in one
- Application / Type: Industrial / General Purpose
- Length: 1.69 to 4.33 inch
- Operating Voltage: 24 volts
- Rotational Speed: 1500 to 2000 rpm
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Supplier: Bodine Electric Company
Description: Totally enclosed non-ventilated (IP-40). Class "F" insulation. NEMA 42CZ models are class "F" rated. External brush access for easy inspection and replacement. Constant force brush springs for long life and quietness. Pre-seated graphite or
- Continuous Current: 19 amps
- Continuous Torque: 11.25 In-lbs
- DC Motor Construction: Permanent Magnet
- DC Voltage: 24 Volt
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Supplier: Bodine Electric Company
Description: springs for long life and quietness. Skewed armature for smooth low speed operation. Oversized magnets resist demagnetization, stabilized to common strength for consistent performance. High starting torque and self-braking. Noise-tested ball bearings permanently lubricated. Locked
- Continuous Current: 0.8500 amps
- Continuous Torque: 5.94 In-lbs
- DC Motor Construction: Permanent Magnet
- Housing Length: 6.72 inch
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protect against caustic wash-downs, additional coating options are available upon request. To ensure compatibility with a wide range of applications, ICI’s spring return actuators are available in six different models with various specifications and end torque capabilities (up to a maximum (read more)
Browse Valve Actuators Datasheets for Indelac Controls, Inc. -
operating cycle life of the actuator is drastically affected by the model of operation. Power to open and close will provide for years of reliable performance. Spring end torque ranges from 400 to 1000 lb-in with a closing speed of 3 sec./90 degrees upon loss of power. Standard equipment (read more)
Browse Electric Rotary Actuators Datasheets for Indelac Controls, Inc. -
gas applications. Electric actuators require a constant power source in order to function. Power failure has the potential to leave actuators stuck in the operating position, leading to unsafe conditions, accidents, or equipment damage. To avoid these situations, fail-safe actuators store (read more)
Browse Single Phase Uninterruptible Power Supplies (UPS) Datasheets for Indelac Controls, Inc. -
(CCW) directions. If used in this manner one can expect over 2,000 open/close cycles. When allowed to spring to the fail position as the normal model of operation, the life of the actuator is severely shortened. ES2 has a spring end torque of 200 in-lb with a closing speed of 3 sec./90° upon loss (read more)
Browse Electric Rotary Actuators Datasheets for Indelac Controls, Inc. -
the use of these bearings. Optical/magnetic read/write heads also gain from the constant predictable spring rate-immune to the problems of starting vs. moving torque. Free from backlash, friction and wear, the C-Flex bearing could provide the ultimate in cost effective design, allowing for (read more)
Browse Pivot Bearings Datasheets for C-Flex Bearing Company -
. Linearity and Hysteresis The linearity of the C-Flex bearing, measured as the rotational deflection of the pivot vs. the torque required to induce this deflection, is relatively constant for angles of rotation up to 15 degrees. Hysteresis in the C-Flex bearing is defined as the (read more)
Browse Plain Bearings and Sleeve Bearings Datasheets for C-Flex Bearing Company -
for workhorse applications, supporting heavy loads for years, like in vibrating hoppers. Lever actuators and tensioners also benefit from these bearings. Additionally, optical and magnetic read/write heads gain from the constant, predictable spring rate, which is immune to the issues of (read more)
Browse Pivot Bearings Datasheets for C-Flex Bearing Company -
R Series Nema 4 The R-Series compact electric rotary actuator was specifically designed for small ball valves and dampers. This heavy-duty reversing actuator develops 100 lb in torque and rotates (read more)
Browse Electric Rotary Actuators Datasheets for Indelac Controls, Inc. -
rotary electric actuator was designed for quarter turn valve and damper applications requiring up to 1500 lb·in torque. This heavy-duty reversing actuator has been manufactured for over twenty years and has achieved an impeccable reputation for reliability in applications requiring (read more)
Browse Electric Rotary Actuators Datasheets for Indelac Controls, Inc. -
constant predictable spring rate-immune to the problems of starting vs. moving torque. Free from backlash, friction and wear, the C-Flex bearing provides the ultimate in cost effective design, allowing for easy assembly and indefinite life expectancies with undiminished accuracy. Selection of (read more)
Browse Pivot Bearings Datasheets for C-Flex Bearing Company
Conduct Research Top
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What is Passivation, and Do My Products Need It?
damage certain metal products including flat strip springs, e.g., constant force, power, and constant torque springs, all of which are very common products manufactured by Vulcan Spring. We suggest discussing other materials with your Vulcan representative as an alternative to passivation.
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Application Note 221101D - Dynamic Torque Measurement
Rotary power sources and absorbers have discrete poles and/or pistons and/or gear meshes, etc. As a result, they develop and absorb torque in a pulsating rather than a smooth manner. Furthermore, a driveline consists of several inertias and torsion springs which resonate at one or more frequencies
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Overrange, A Crucial Rotary Torquemeter Parameter
and torsion springs which resonate1 at one or more frequencies. As a result, even under "constant load", real world driveline torque is never constant. Instead, it consists of an average torque with one or more superimposed torsional components.
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Piezo Motors: Principle of Operation for Engineers
mode. While the driving voltage is not applied, the ceramic plate is stationary and generates holding torque on the stage. Unlike any other braking device, the holding torque of the Nanomotion motor does not cause any position shift. Nanomotion motors facilitate compact yet precise motorized
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Mechanical compensation for weak triceps in C5/C6 tetraplegia
Our resultsindicatethat provisionof an elbow orthosisconsisting of a constant torque spring and a viscous damping element shouldobtainthe best improvement in arm functionof tetraplegic subjects with weak triceps.
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Possible options for jointly deploying a ring provided with V-fold bars and a flexible pre-stressed center
Keywords Load-bearing ring Á V-fold bar Á Constant torque spring Á Deployment .
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Design of a triceps orthosis for C5/C6 quadriplegics
Fast elbow flexion movements of 10°, 20°, and 30° were performed with the servomotor turned off (no assist) and with constant torque springs , linear springs, and linear damping elements emulated by the servomotor in different trials.
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Design of a Triceps Orthosis for C5/C6 Quadriplegics
Fast elbow flexion movements of lo", 20", and 30" were performed with the servomotor turned off (no assist) and with constant torque springs , linear springs, and linear damping elements emulated by the servomotor in different trials.
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2.14 / 2.140 Analysis and Design of Feedback Control Systems, Spring 2007
(c) Use the simplified constant spring torque model developed above as part of an analysis which will predict the time required for the trap to close when triggered.
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Vibration measuring system
It consists of a free-running reel A carrying a constant torque spring the end of which is secured to the periphery of the reel B carrying the wire span.
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Mechanically actuated reconfigurable slits (MARS) for visible and infrared multi-object spectrographs
This concept utilizes strip material in the form of a constant torque spring -motor (Figure 7).
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Understanding variable moment arms for the index finger MCP joints through the ACT hand
The inset shows a close-up of motor shaft, loaded with a constant torque spring and back side of a miniature motor controller connected to the adjacent motor.
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Effects of eccentric jaw exercise on temporal summation in jaw‐closing muscles of healthy subjects
Briefly, eight constant torque spring -coils (250 g each, Tensator Ltd., UK) were attached from below to the lower canine via a string to pull the lower jaw.
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New Products
A constant torque spring motor maintains cable tension during extension and retraction, Non-linearity down to 0.05%is available,and a varietyof output signals including voltage, current, RS 232C and pulse.