All Torque Transmissions has had a long relationship with KB Electronics. We have been a distributor for them for many years, keeping the full range of AC and DC motor controls in Australia.
Based in Coral Springs, Florida, KB Electronics’ products have been used throughout Australia in many applications. Mainly, they offer a simple control for DC motors, as well as variable speed drives on AC electric motors. Their simple control interface is prized in keeping installation and commissioning times to a minimum, and an analogue speed potentiometer on many models means that machine operators can use them without issue.
We have designed KB Electronics motor controls into many applications. Some of these applications include:
The flexibility and control that these drives offer when coupled with a Baldor DC motor makes them very attractive in applications where ease of use is paramount.
You can check out the full range of KB Electronics products by following any of the below links to other pages on our website:
For industrial gearboxes, the service factor is the numeric value describing gear reducer service duty. It takes into consideration daily operating conditions, load variations and overloads connected with each gear reducer application.
An example from the Bonfiglioli VF-W series of workboxes is shown in the graph below. After selecting the proper ‘daily working hours’ column, the service factor is given by intersecting the number of starts per hour and one of the K1, K2 or K3 curves. K curves are linked with the service nature (approximately uniform, medium and heavy) through the acceleration factor of masses K, connected to the ratio between driven masses and motor inertia values.
When selecting a gearbox, some fundamental data are necessary to assist the correct selection, namely:
Each of these are usually referenced in the front section of gearbox selection manuals and are used to assist in gaining an understanding of the series and size of gear reducer required. A service factor of between 1.25 and 2.0 is typically chosen, which is then multiplied by the motor nameplate power to establish that required by the driven equipment.
Gear drives must also be sized so as not to exceed the torque limits of the individual components. This peak torque is either listed separately in gear selection catalogues or is a factor applied to the running torque.
In determining the gearbox required for an application by utilising the service factor, be mindful that published service factors can be described as “the minimum recommended”. In particular, applications involving unusual or severe loading, or those requiring a higher degree of dependability, should be reviewed with the gearbox manufacturer.
The American Gear Manufacturer’s (AGMA) practice for enclosed speed reducers contains a listing of applications with their proper service factors. Gear drives, supplied in combination with electric motors, may be designated with a “service class number” (such as I, II, or III rather than a numerical service factor). Class I, II, or III are equivalent to service factor values of 1.0, 1.41, or 2.0. The terms service class and service factor can be used interchangeably.
This video features WEG USA’s Dale Basso talking about the features of the benchmark W22 electric motor range.
Cooling System
Standards on Imports. Who regulates them?
I am just asking the question does anyone know or is the system such that an importer can ask for the appropriate forms be completed to prove the standard of imports with no hard evidence?
Then when the standards are found to fall short and failures occur in these same imports it is only then that the government authorities take action, just in time to witness the importer declare bankruptcy, close down and then reappear later with a new business name in new location.
I don’t believe we need new tariffs on these imports but I do think we need regulation to ensure our local manufacturers trying to make an honest income are competing on a “level playing field” with imported goods.
“Just an idea out of left field” – An Australian Standards on Imports body with staff and testing facilities to check the standards of imported goods which “God Forbid” could be funded by the importers.
I would think that a sample presented for testing that meets Australian Standards could receive an import licence and then random checks on future shipments would keep the standards up.
Job done, standards met everyone happy to compete against imports that meet the standards.
All this will add to the cost of importing and perhaps allow an existing struggling local manufacturer to survive and employ locals, pay tax and be productive for our nation.
We are seeing many product recalls and substandard import scandals all because we are unable or unwilling to fund import testing for the standards that all Australian manufacturers must meet.
It cannot be better for Australia to take these importers to court after the fact, making the legal profession the only winners who never seem to be in danger of competing against cheap overseas competition forcing closures in their industry.
DC motors Large and Small from Baldor are available from All Torque Transmissions at competitive prices.
Our DC motor range starts at 0.15kw extending to 360kw and is designed for full thyristor control variable speed drives.
All our large DC motors have Class ‘H’ insulation, the stock DC motors are supplied force ventilated with blower in a wide variety of options with special designs available as required. Larger sizes above 360kw are also available on request.
Specific DC motors Large and Small features:
Designed to operate below NEMA Class F temperature rise for longer life.
Armature is double dipped and baked with 100% epoxy varnish.
Field coils are 200 degrees Celcius polyester polyamide-imide coated magnet wire.
Rated for continuous duty (S1).
Riser connections are TIG welded for minimum resistance and maximum strength.
4 pole ‘straight shunt wound’ design with separate field excitation on frames up to B200.
4 pole ‘stabilised shunt wound’ design with separate field excitation on frames B225 and above.
IP23 enclosure standard on all our DC motors large and small.
High quality steel frame, annealed for optimum magnetic properties.
Heavy duty steel feet welded to the frame for maximum structural integrity.
Stainless steel constant force springs require no adjustment and ensure accurate pressure over the brush life.
Large removable brush inspection covers allow easy access to the commutator and brush equipment.
High tensile stressproof alloy shaft designed to exceed NEMA specifications for belt loadings.
Deep groove ball bearings, regreasing fittings and reliefs.
Locked bearings construction.
Forced air blower cooling (IC06) complete with filter and 3 phase ac motor above 5-6kw.
B225 and B250 frame motors are suitable for direct mounting of Baldor PRG / BTG or XPY tachometer-generators without additional accessory kits. Tachometer mounting provision on all other frame sizes.
Thermostats fitted as standard for winding protection on frames B132 to B200. Thermostats optional on frames B225 and B250.
Options available for our DC motors large and small include, IC16, IC 37 cooling, air flow sensor, air filter, thermistors, tacho-generators, mounting adaptor kits, digital tacho-encoder, brake (ac or dc supply), condensation drains and breathers.
Contact our Braeside office on 03 9587 2212 or our Preston office 03 9480 1566 for more information or pricing.