Wednesday, November 11, 2009

LIXR-VKHT Heat-Resistant Stainless Steel Swivel Casters

Diane here, to present another new product recently added to our line: series LIXR-VKHT Heat-Resistant Stainless Steel Swivel Casters.

The RoHS-compliant metric casters have swivel brackets of high quality, chromium-nickel plated stainless steel, European Standard 1.4301 (American Standard 304), with a bolt hole fitting. They feature a double ball bearing in the swivel head, a strong central kingpin, a teflon-coated, stainless steel axle tube, and a zinc-plated bolted wheel axle. The wheel is heat-resistant Blickle Hotline® special solid black rubber. Also available is a version with plain bearing.

This smooth-rolling, long-life caster has a load capacity of 100 kg and a temperature range from -‍30°C to 260°C (-22°F to 500°F), temporarily up to 280°C (535°F). It is particularly suitable for oven racks. A version with heat-resistant grease is available upon request.

To see our entire line of high quality casters and wheels, visit Section 14 in our online catalog.

Wednesday, October 28, 2009

Revolutionary Fastening Clamps from Misati

We wanted to share with you today a very special product line offered by J.W. Winco. Misati, S.L., an ISO 9001-certified company in Barcelona, Spain, has been supplying industrial clamps to the world since 1979, and we now distribute these remarkable clamps.

To the right you see an example of Misati clamps in use in an industrial application.

Creative thinking in the field of kinetics led to the development of these clamps, which are well suited to applications in a variety of industries, including assembly, verification, handling, and welding.

You see here an internal view of the double-effect pneumatic cylinder that achieves high-force clamping.

The advantage of the clamps’ new design is the ability to exert greater force with a smaller apparatus. The clamp has a double-effect pneumatic cylinder that transmits a turning movement to the clamping arm along the shaft. Thanks to the special shape of the oblong hole, the clamp exerts high force.

Meanwhile, the line offers a wide variety of standard accessories, which may be combined to suit any specific application without requiring the development of custom components. These features work together to provide a superior clamping solution at a lower cost, saving hundreds of dollars per clamp.

The design of Misati clamps allows for a smaller diameter apparatus to generate up to 333% more force than other clamps. Misati clamps are up to 42% narrower than typical clamps, so are ideal for applications in confined spaces. The design of the force mechanism employs a smaller-than-typical stroke that uses less air per cycle.

The next illustration shows how Misati’s clamps achieve more force with a smaller diameter apparatus.

The sturdy design of these clamps make them suitable for aggressive environments such as machining or resistance welding. They utilize a monobloc body of machined and treated steel, which incorporates the stress mechanism and pneumatic cylinder. The built-in connections have no-flow regulators. If the application requires an extra long arm, a pneumatic cushioning option is available for the clamp.

Pneumatic parts in the clamp can be replaced after wear in a simple manner that doesn’t require removing the clamp from position. The mechanism that generates the force of the clamp has been designed with roller bearings for long life. Each clamp is stamped with the month and year of manufacture, and guaranteed for five years or 20 million cycles.

Clamps are also available in an “anti-spatter” version that is resistant to rust, salt, solvents and chemicals. It is thermal resistant and has an antistatic Teflon coating.

The next illustration is a breakdown of the many advantages of this clamp design.

Misati clamps are offered in four styles, with piston lengths from 20 to 50 mm. The design of the clamp permits either front or lateral mounting with centering guide bushings. They also do not use lateral sockets, which makes for simple installation even in small spaces. Positioning can be highly accurate, and clamps can be interchanged easily. Clamps may also be affixed using a collar that permits them to be easily rotated in place.

Here are some examples of different clamp assemblies possible with the many accessories available.

A broad variety of types of gripper fingers allow the clamp to be configured perfectly to application requirements. Gripper fingers that use a ribbed ball-and-socket joint are available and provide a high friction grip on unmatched surfaces.

Jaw blocks reproduce the surface of the piece to be clamped. Shims are offered to regulate the clamping further. A leveling ball-and-socket joint is useful for clamping delicate pieces. Centering guide bushings can be employed to withstand lateral forces and precisely place couplings and mountings. Other accessories include rearside protection plates, built-in sensors, and cable connectors.

Fastening of accessories uses threaded set screws, socket cap screws, and upper or lower centering guide bushings, making it easy to assemble, center, and exchange parts.

For more information on the Misati clamp line, visit our online catalog's Section 15 Toggle Clamps.

Wednesday, October 21, 2009

AN 410 Adjustable Guide Rail Brackets with 4-Prong Knob

Here's another new product we've recently introduced to our line of standard machine components, in the Conveyor Components category: our series AN 410 Adjustable Guide Rail Brackets with 4-Prong Knob. These brackets are typically used with adjusting rods and other guide rail holding components. They are available in metric sizes, and are RoHS compliant.

The clamp is black reinforced polyamide, with an eye bolt and bushing of nickel-plated brass. The 4-prong knob is black reinforced polyamide with a brass, nickel-plated bushing molded in.

Guide rail brackets are just one element of J.W. Winco's newly launched line of conveyor components. To see the full range, visit Section 17 of our online catalog.

Thursday, October 8, 2009

GN 350.2 Steel Leveling Sets with Spherical Washers

Diane here, showcasing another recent addition to our product line: our series GN 350.2 Steel Leveling Sets with Spherical Washers.

These leveling sets are used for leveling, adjusting, and linking operations. Offered in metric sizes, the sets are RoHS compliant. They are made of zinc-plated, blue passivated steel.

The spherical washer allows precise installation of two non-parallel planes at a required gradient up to ~4°. Leveling sets consist of a threaded upper sleeve and a tapped lower sleeve. The fine thread allows precise, stepless setting and locking using a DIN 1810A hook spanner wrench. An anti-rotation disk serves also as a height limiter for the maximum height. Normally this screw is permanently and securely locked by the static load created when the mounting screw is tightened. If this is not sufficient, the use of a locknut is recommended. A version including the locknut is offered.

For more spherical washer options, visit Section 11 of our online catalog.

Tuesday, September 29, 2009

GN 6333 Metric Size Quick Release Hex Nuts

It's Diane introducing another new product today...our series GN 6333 Metric Size Quick Release Hex Nuts.

The nuts are RoHS compliant and made of forged, zinc-plated steel with a tensile strength of 1000 N/mm2. They are useful for applications where the nut needs to be moved quickly to the clamping position, and to be removed quickly after loosening. There is no “locking’ of the thread. Quick release hex nuts provide easy mounting/dismantling, even in tight spaces.

For more nuts and other fasteners, see Section 11 of our online catalog. Go nuts!

Wednesday, September 16, 2009

GN 927 Clamping Levers with Eccentrical Cam

Diane posting today with another of our new products, our series GN 927 Clamping Levers with Eccentrical Cam.

These clamping levers are used for rapid clamping and releasing, and come in both tapped and stud types. In contrast to a clamping operation utilizing threads, these levers permit torque-free clamping. The lever has been designed to insure that its movement cannot exceed the maximum clamping position, and there are no loose components since all are assembled and mounted in their correct order.

The levers are RoHS compliant, with zinc die cast handles and a matte black plastic coated, abrasion-proof epoxy resin finish. Components are zinc plated, blue passivated steel.

These levers are available with two types of technopolymer contact plates: a fixed version, or an adjustable contact plate, with which the distance between the eccentrical cam and the contact surface is adjustable by means of a fine threaded knurled nut. The second option permits the maximum clamping force to be set by a simple adjustment. With these clamping levers, thrust forces of up to 8 kN can be obtained.

Thursday, September 10, 2009

Selecting a Crank

Diane here, and I’ve sorely neglected an essential category of machine parts, the humble but useful crank. Before these components get cranky (oh, that was bad), let’s talk about how to select the proper crank for your application.

By definition, a crank is a device for transmitting rotary motion, consisting of a handle or arm attached at right angles to a shaft. Simple enough, but there are some variables.

Balanced cranks: This type of crank has a center mounting point, which allows for smooth operation in either horizontal or vertical directions. Its design permits precise adjustment, and in applications with vibration, it will remain stationary. An example is our GN 10 series Steel Tri-Ball Handle.

Cranks: Standard cranks are mounted on one end, giving them one-handed leverage that works well for high torque applications and fast operation. They are well suited for clamping, and can be removable. Shown here is our GN 471 series Aluminum Cranks with Revolving Handle. Other options for materials for cranks are zinc die-cast, steel, stainless steel, cast iron and various plastics (nylon, phenolic, technopolymer).

Fold-Away Handle Cranks: Sometimes the application requires, for design or safety reasons, that the handle be retractable. An example is our GN 471.3 Aluminum Cranks with Retractable Handle. The handle firmly locks into position when folded or when in the operating position. We also offer styles where the handle fits neatly into a recess.

Off-Set Handle Cranks: The design of your machine may require a handle that is off-set, so that it clears obstructions when turned. Shown here is one of our DIN 468 series Off-Set Crank Handles. This cast iron crank is offered with a fixed or revolving handle, and round or square bore.

Racheting Cranks: The combination of a crank and a ratchet arm creates high torque. This mechanism also works well in a confined or limited space. The example I show here is our LR 318 series Steel Ratcheting Crank Handles.

Four-Arm Levers: A variation on the crank is the four-arm lever, which is really four cranks combined in one. This obviously increases its clamping capability. It also makes for good control with either one or two hands. Here you see our series GN 213 Four-Arm Turret Levers.

I wanted to close with a unique crank that was patented by J.W. Winco, our WRHC Nylon Plastic Retractable Hand Cranks with Revolving Handle. This cranks was designed for use in any application requiring the complete crank handle to be folded out of the way. Pretty nifty, huh?

For our entire selection of cranks, visit Section 6 of our online catalog.