Gates Belts & Applications - Tips and guidelines written by Gates Industrial Engineers

Gates Sponsored John Force Racing Teams Pushing for NHRA Championships

Wednesday, October 18, 2017

posted by Brent at 8:18 AM 0 comments

With two races remaining in the 2017 NHRA season, two of the four John Force Racing teams are closing in on the points lead. 

After winning the Top Fuel class in Dallas in her Monster Energy Top Fuel car, Brittany Force is in second place, 57 points behind the first place team in Top Fuel.
 
Robert Hight, driver of the AAA Funny Car, also won the Dallas event, closing to within 24 points of the first place team in the Funny Car category.
 
Both drivers and teams are now in second place, building momentum moving into the final two races of the season.
 
Gates Corporation is a proud sponsor of John Force Racing, and wishes the teams well as the season wraps up!

 

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Calculating Tension from Hz

Friday, October 13, 2017

posted by Michael at 8:57 AM 0 comments

Calculating Tension from Hz

Some equipment manufacturers will have a recommended frequency for the belt drive(s) in their system. As time goes on and components wear out, repairs/upgrades must be made to continue normal operation. Information like static belt pull is critical when calculating overhung/bearing loads especially when new components are introduced. To determine the static belt pull, the static tension must be known.

But how does one get there from Hertz?!

First we need to know a few characteristics about the belt drive.
Mass constant of the belt (g/m/mm of width)
Width of the belt (mm or #/ribs)
Span of belt (mm)

Each can be determined if unknown.

Using the following equation, tension can be determined.













For additional information on this or any other topic please contact Gates Product Application Engineering by phone at 303-744-5800 or by email at ptpasupport@gates.com.

Fixed Tensioners Vs Spring Tensioners

Thursday, October 12, 2017

posted by Ben at 3:16 PM 0 comments

It is common with industrial belt drive applications to implement a tensioning idler. This can either be in situations where there are multiple components being driven, space constraints, or if shaft locations are at fixed positions. Either method is acceptable but there are situations where one may be preferred over the other. When dealing with synchronous belt systems it is typically unnecessary to use a spring tensioner. A spring tensioner in certain situations can over-complicate the design and possibly cause more issues.  Once a synchronous drive is installed and tensioned correctly the system will not need re-tensioned.  For this reason a fixed idler bracket would be more than acceptable.

On systems where V-belts have been installed or space constraints are an issue then a spring tensioner may be the preferred option.  The physical properties of a V-belt will cause it to naturally stretch over time throughout its operating life. If the drive is also located in an area where it’s difficult to re-tension the system manually a spring tensioner could then be used. This will allow the system to continuously operate at the correct tension as the V-belt stretches, leading to reduced intervals for preventive maintenance. 

Gates Molded Notch V-belts can take the HEAT!

Whether you have a drive near an oven, around heating elements or just outside in the hot summer sun, the Gates Molded Notch V-belts have the capability of taking the heat.  Our Molded Notch V-belts have a high temperature limit of 250 degrees Fahrenheit* and come in the most popular sizes and cross sections including: AX, BX, CX, 3VX, 5VX, 8VX.  These belts are a drop-in replacement for the standard A, B, C, 3V, 5V, 8V belts in applications where the temperature exceeds 140 to 180 degrees Fahrenheit and the higher temperature rating is desired to improve drive performance and belt life. The notched nature of these belts allow them to bend around smaller sheaves as well, making them a great choice for drives that require smaller sheaves and tighter overall drive packages.

One thing to consider when contemplating the use of the Molded Notch construction is the fact that these belts will not slip and clutch as smoothly as the standard, wrapped belts will.  If this is desired then it is important to look at the most important features of the drive and select the best belt for your application needs.

For additional information on this or any other topic please contact Gates Product Application Engineering by phone at 303-744-5800 or by email at ptpasupport@gates.com.

*BX over 210" will have a temperature rating of -30 to 140 degrees Fahrenheit.

Learn the Terminology - Fluid Power

Wednesday, October 11, 2017

posted by Brent at 10:02 AM 0 comments

Lockout/Tagout:  The placement of a tagout device (LO/TO) on a power switch, in accordance with an established procedure, to indicate that the power switch and the equipment being  controlled may not be operated until the tagout is removed.

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Fluid Power - Learn the Terminology


Velocity:   The time rate (speed) of linear motion in a given direction.
Viscosity:  A measure of the internal friction or the resistance of a fluid to flow.

Viscosity Index:  A measure of how viscosity changes in relation to temperature.

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Installing Hose Assemblies III

Review the Safety Precautions found in previous blog posts about “Maintaining a Safe Work Environment” as well as your equipment’s operations manual before installing hydraulic hose assemblies. Installation varies depending on coupling configurations, use of adapters, and routing.
Coupling Configurations
Male fitting to port connections can be made using four types of configurations:
§  Solid male (MP, MB, MBSPT, etc.).
§  Male swivels (MPX, MBX, MIX).
§  Flanges (FL, FLH, FLC, FLK).
 
§  Block-style adapters with Lock- nuts.
Flanges
Flanges are installed using clamp halves/flange half sets. Use the following procedural steps for proper flange fitting installation:
1. Put a small amount of oil on the O-ring and place in the groove. Oil will prevent the O-ring from falling out.
2. Place fitting over port.
3. Install clamp halves over flange head and thread in bolts by hand.
4. Use torque wrench to tighten using crossing pattern.
5. Torque to manufacturer’s specifications.

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