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Spline Shafts Services

IQS Directory is a top industrial directory listing of leading industrial spline shaft manufacturers and suppliers. Access our comprehensive index to review and source spline shaft manufacturers with preview ads and detailed product descriptions. These spline shaft companies can design, engineer and manufacture spline shaft to your specifications and application need. A quick and easy to use request for quote form is provided for you to contact these spline shaft manufacturers and suppliers. Each company has detailed profile information, locations, phone number, website links, product videos and product information defined. Read customer reviews and product specific news articles. We are the right resource for your information requirement whether its for a manufacturer of spline shaft stock, metric spline shafts, small spline shaft.

  • South El Monte, CA 626-443-5904

    The experts at Mercury Broach have been delivering quality broaching and gear cutting services to clients in the aerospace, automotive, and commercial manufacturing industries for more than 50 years. Our machine shop is located in South El Monte in Southern California, just outside Los Angeles. With leading-edge techniques and machinery including CNC gear cutting equipment, we are equipped to provide the best broaching and gear cutting services for our clients anywhere in the nation.

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  • Chesterfield, MI 586-949-3775

    As a leading broaching company in the world, we do it all. We offer services to customers in every industry. We believe in offering superior service, a commitment to quality, and dedication to customers every day they work with us. Our goal is to ensure you can build a trusting relationship with us throughout your years in business. Learn more when you visit our website today!

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  • Meridian, CT 203-235-6329

    Center Broach and Machine Company has been in service for over thirty five years and we offer several broaching services. We are always striving to be the best in all facets! So, whether you’re looking for long or short runs, a small amount or a full production run, make an inquiry today. Or visit our website and learn about our trusted products!

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  • New Hartford, CT 860-738-2525

    With a great variety of available tooling & quick tooling for unique tooth forms, rely on ISO & AS certified Perry for all your gear & spline requirements. Offering expertise with many CNC operations, we do hobbing, shaping, tooling, broaching, machining & inspection for an array of gears, splines, worms & wheels, serrations of all kinds! Call for all your gearing needs – reverse engineering too!

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  • Butler, WI 262-781-3270

    Our pledge to you is to offer the highest quality products and customer service in the business. We take broaching and gear-manufacturing seriously, and we have over 50 years of hands-on experience in the business. We make it our goal to keep every customer satisfied each day they work with us. Contact us today so we can help you!

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businessIndustry Information

Spline Shafts

Spline shafts are mechanical components that consist of a series of ridges or teeth on a drive shaft. They exist to even out the rotation speed of a companion piece and transfer torque in a number of settings; to effectively transfer torque, spline gears rotate and interlock their grooves with the matching grooves of a mating piece. Spline shafts are found in bicycles, some aircraft engines, crankshafts and in vehicles in general. Typically, these gears are made from materials like brass, cast iron, steel, stainless steel or aluminum. In addition, some spline shafts are hybrid pieces, featuring, in part or the whole, plastic as well as metal.

Spline shafts are differentiated from one another in a few different ways, the most significant way being the spacing configurations and sizes of their ridges, or broaching teeth. Common spline shaft types, based on tooth configuration, include: parallel key splines, serrations, involute splines, crowned splines, helical splines and ball splines. Parallel key splines have parallel and equally spaced grooves that extend both axially and radially. Serrations also have evenly spaced teeth, but instead of being parallel, they form a “V.” They are mainly used with small diameter shafts. Next, the evenly spaced teeth of involute splines interlock perfectly with one another when rotating, leading to enough torque to power a machine or vehicle. Involute splines increase strength with their curves, which decrease stress concentrations. Crowned splines are almost identical to involute splines, with equally spaced grooves, except that they have slightly modified male teeth that facilitate misalignments. Helical splines have evenly spaced teeth that form a helix around the shaft. They have either parallel or involute sides. These can either minimize stress concentrations or allow for rotary or linear motion between parts. The former situation primarily occurs for stationary joints carrying high loads. Finally, ball splines are a bit different from all the others in that the teeth of their outer section are implemented with a ball bearing. This implementation allows for varied amounts of free linear motion, even when the spline shaft is under high torque.

Spline shafts are made using a precision machining method known as broaching, which alters surfaces via metal removal. In particular, spline cutting machines are used during this endeavor. Broaching machines and spline cutting machines use metal tools with rows of successively larger teeth, called broaches, to cut holes or create and deepen ridges in plastic, metal and wood materials. The broaching process broaches the subject metal removal from two different angles: linear and rotary. During linear broaching, the broach is run linearly against the surface of the workpiece. During rotary broaching, the broach is instead rotated and pressed into the workpiece. In this instance, the goal is to cut an axisymmetric shape into the workpiece. While linear broaching tends to utilize broaching machines, rotary broaching is more likely to use a screw machine or a lathe. However, both methods are rather efficient, requiring only one pass to perform the cut.

In spline shaft production, blind broaches, also called external broaches, are employed to cut furrows along the length of the spline shaft surface. During blind broaching, shapes and intends are knocked into the workpiece without actually penetrating the metal. This aspect of spline shaft production is rather difficult to execute well and it can only be successfully carried out by talented and experienced broachers. In addition to spline shafts, blind broaching is therefore generally only used for the creation and perfection of hexagonal, round and square-cut imprints, holes and slots. However, though it is a difficult and intricate process, blind broaching is a very economical way to work on spline shafts, and it gleans results that are uniform and highly repeatable.

Manufacturers must choose the number of teeth the spline shafts will have carefully, as this number, along with the preferred pitch diameter, determine spline gear’s pitch. The right spline shaft is essential to the safe and efficient functioning of vehicles both on land and in the sky. To find out more, contact a reputable manufacturer today. Skilled spline shaft manufacturers, such as those listed on this page, will be able to assist a customer determine the best sizes and shapes of their spline shafts. In addition, they will be able to determine and carry out the most advantageous machining methods for any application, whether it is standard or unique.


Spline Shafts
Spline Shafts
Spline Shafts
Spline Shafts - Avon Broach and Production Company
Spline Shafts - Avon Broach and Production Company
Spline Shafts - Midwest Gear and Machining, Inc.
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Spline Shafts Informational Video