DC & AC Gear Motors: Terminology Overview

Sinotech    January 28, 2014

Gear motors—like AC and DC gear motors—have two main components in their integral assembly: a speed reducer and motor. The speed reducer is the part that contains the gears. The motor is AC or DC powered. Gear motors are available in a variety of styles and sizes, and knowing related terms can help you determine the type that’s best for your needs. DC and AC Gear Motor Terms Axial movement: The movement at the ends of input and output shafts. Backlash: The output shaft’s rotational movement when the input shaft is stationary. Center distance: The distance between the center of…

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Importance of Quality Audits of Offshore AC Gear Motor Component Factories

Sinotech    June 25, 2013

When you need custom AC gear motors, perfection and quality are vital to the success of your product. Seeking an offshore solution is a common option that allows companies to reduce costs, but it comes with the risks associated with cultural and language barriers as well as inexperience. When clients seek an offshore solution for their AC gear motors, items from the DC motor catalog and other motor components, Sinotech always audits the factories it works with from beginning to end to ensure a successful offshore experience. The Components and Importance of a Quality Offshore Audit The best offshore auditor…

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AC Gear Motor & Gearbox Selection Method

Sinotech    June 18, 2013

For mechanical designers and electrical engineers who develop applications, choosing the right AC gear motor can be a challenge. Decisions to make include whether to choose a pre-engineered item from a gear motor catalog or purchase the motor and gearbox separately. By understanding the gear motor’s applications and specifications, you can select the gearbox and AC gear motor that best fit your needs. Selecting a Gearbox Before you select an AC gear motor, you have to choose a gearbox that has the right torque and speed for your application. To help you make this determination, you need to know the…

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AC Gear Motor Selection Methods for Design Engineers

Sinotech    April 1, 2013

Choosing the right AC gear motor for your gearbox and application can be tough because of all the factors you must consider. As you begin your search, use the following guide to help you determine the features that are right for you. Basic Parameters When choosing an AC gear motor, it’s important to know the basic specifications you need. Before you begin your search, know your specification requirements for the following parameters: Horsepower Speed Efficiency Maintenance Product life Starting torque Noise Speed regulation Other product-specific requirements Package Size As you design an AC gear motor, use the motor size and…

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AC vs. DC Gear Motors: What’s the Difference, and Which Offers More Gear Motor Advantages?

Sinotech    February 11, 2013

Ask an engineer to list the differences between AC gear motors and DC gear motors, and you can expect a quick, concise answer: AC motors are generally smaller, less expensive, lighter and more rugged than DC motors. DC motors, on the other hand, are generally considered better for variable speed operations. Their improved speed control makes DC motors more expensive to purchase and maintain, generally. Given enough time, the engineer might go on to explain the technical aspects that differentiate these two gear motors. If speaking to a layperson, the engineer would begin by explaining that AC stands for alternating…

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Advantages of the AC Gear Motor

Sinotech    January 28, 2013

AC gear motors and DC motors each have their own distinct characteristics, applications and benefits. However, when you need to make a choice between the two, you may find the AC gear motor to be far superior. The following is a look at some of its advantages. Size: An AC gear motor is generally smaller and lighter in weight. Cost: DC motors can be more expensive to purchase and maintain. Durability: AC gear motors are more rugged, particularly in wet, hazardous, potentially explosive and corrosive environments. Speed: AC motor speeds are more precise and can control multiple motors, reach speeds…

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Understanding AC Gear Motor Design

Sinotech    December 21, 2012

AC gear motors are electric motors that use an alternating current. They generally have two parts: the outside stationary stator and the inside rotor. Slip rings or a permanent magnet generate the magnetic field on the rotor. The stator has coils that receive an alternating current, which produces a magnetic field that rotates. An output shaft that’s attached the inside rotor of the AC gear motor acquires torque via the rotating field. The two most common types of AC gear motorsare synchronous and asynchronous motors. AC Synchronous Motors In synchronous motors, the rotation of the output shaft is synchronized with…

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Sinotech Motors & Mechanical Parts Industry News & Resources

Sinotech    November 13, 2012

At Sinotech we take pride in delivering high-quality motors and mechanical parts to our clients around the world. Sinotech offers a wide range of high quality electric AC and DC motors as well as custom electric motors built to your design requirements. We also provide custom engineered mechanical products, metal and plastic components and magnets to a variety of industries. Sinotech has over 20 years of experience in the industry with engineers personally supervising all tooling and production to ensure quality control. Our goal is to keep our clients and visitors up to date on the latest news and resources…

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