Eligibility:

• Axle spline broach. Broaching is used in many areas of machining, and in some Mar 1, 2008 · The broaching holder serves two functions: it holds the broach tool in a free spinning bearing, and it places it at a 1° angle relative to the centerline of the work piece. After a “green” (pre–heat treatment) broaching process, the components are typically carburized and hardened to a hardness of Rc 58-62. It can grow far more complicated than that, however. Involute, Straight, Serration Broaches. 9 Mil Revenue. Add a . It is difficult to maintain close limits on helix angles, if Rotary broaches are produced from hardened high speed M2, PM4 or T15 cobalt steel. Hex, Square, Torx & Custom Rotary Broaches. General Broach serves the automotive industry that needs to broach any gear form, whether it is an internal, external or blind splined part. Feb 5, 2004 · With his spline cutter you have the capability of making a broach in tool steel and tempering it to a certain hardness depending on the use of a desired broach. Also 10 Factory Ford '99-'04 D60 35 spline outer stubs CM 4340 $150ea. I made this video to help beginne Feb 20, 2003 · Most of the axles that we encounter have a hard case of about . 0" you'd need to make a progressive broach, one that steps up diameters per set of broaching edges. 75". Because we manufacture everything in-house, any desired custom broach can be made to your exact In this episode, I go over the process of cutting the splines on a hardened TR6060 mainshaft using carbide inserts. has proudly maintained an excellent reputation for quality and service. They are hollow and cut with their outside edge for drilling large holes. Warren in 1914. Power skiving makes it possible to machine the complete component in universal 5-axis machines in one single setup. 4. This company can also handle CNC lathing, milling, slotting, broaching, knurling, tapping, knurling, and thread rolling. 030 of the hole and slide the broach into the hole. Our Price: $20. This is an example of through hole broaching using a involute spline rotary broach and tool ho Nov 27, 2001 · 66CJdean. Custom Manufacturer*. Internal and surface broaches are designed, manufactured, and serviced from our UK factory, from where we also offer sub-contract broaching services. $10ea. If you get some axles from the factory they have rolled splines then the axle is heat treated but since we are talking about resplining the 2 most comming ways are to cut the axle down on a lathe and then cut the splines on a milling machine with a dividing head and tailstock. 40 spline is 1. Cutoff Tool Holder by hersch_tool. Broaching’s strengths are that it produces parts at a high rate, removes Jul 11, 2017 · Animation showing how rotary broaching works in a mill set-up. Fast delivery is guaranteed on all polygon forms, with standard broaches available from stock. Northeast Broach specializes in production broaching and grinding of spline broaches, hex broaches, squares, and keyways. So, is there a way to cut those splines on a lathe that isn't quite so labor intensive? Spline profiles can take several shapes such as involute and parallel key profiles. Jan 29, 2013 · This video demonstrates how to broach an internal form into a custom alloy part, similar to one used with a socket wrench. It can broach various shapes of internal surface (e. Broached Sleeves & Flanged Bushings. Pull Broaches. Dec 6, 2016 · Ford '99-'04 D60 35 spline CM 4340 short side inner axle shaft 15. EMPI 16-2310 > 930 Stub Axle for Micro Stub One piece construction 33 Spline 930 CV flange 3/8-24 Threads M24 x 1. Steelmans are leading specialists in manufacturing Spline Broaches to the maximum length of 1800 mm. Rear axle shafts with long racing studs MUST have at least two opposite studs removed - Extra $ for removal. Miller Broach manufactures, sharpens and reconditions flat, round, spline, and pot broaches of any size. E. 4. Mar 16, 2015 · Precision grinding, broaching, EDM, and hobbing all have advantages in various features. $5ea. Choice of Axle Flange and Register Diameters. which tell all about our quality products, which are manufactured strictly as per internationally accepted norms. If you want to broach 30 splines at a minor diameter of . These include milling, broaching, rolling, slotting. Availability Broaches are made in Push and Pull Oct 29, 2023 · Internal Broaches: These are designed for cutting splines on the inside of a component, such as within a bore or hole. com (440) 918-0048. Spline cutting can be accomplished using a variety of techniques. Spline broaches are used for high precision Steering Knuckle Arm, Constant Mesh Gear, Front Axle, Lift Arm, Depth Control Cap, Bull Gear and Differential Lock Clutch centre, Fly Sprocket Wheel Ratchet components. The Spline Broach cuts splines on the inside diameter of a hole (Transmissions, steering, axles). From material science to tool design Aug 10, 2023 · Broaching in CNC Machining is a immensely useful and fast tactic to creating unique shapes on parts! Walk through Rotary Broaching as Donnie explains how it Dec 27, 2023 · Broaching is extensively used in the automotive industry for manufacturing components like gears, shafts, axles, and spline shafts. Chromoly Axle Shaft Dana 60 Ford 1999-'04, 35 spline - 15. $15pr. That may be a tough one to find if it even exists as a purchasable item. The two pitches refer to the tooth’s width and height respectively (a spline tooth is wider than it is tall). 25″ to 18″, and a length of 0. When to Choose Broaching. Milling, a core aspect of CNC machining, employs rotary cutters to methodically shape a workpiece, specializing in spline cutting, particularly involute splines. S. 001 larger than the previously measured across-point dimension. In business for over 70 years, we are experienced at broaching straight splines, involute splines, keyways and hex forms. Drill a hole that the shaft will fall through in the steel. Because we manufacture everything in-house, any desired custom broach can be made to your exact When holding the part, the side of the broach entry should be facing you. the side of the teeth which can be seen is the obtuse side. Products such as suspension control arms, torsion and stabilizer bars and drive and valve components are also available. The long length of cut provided has been used and tested by thousands of machine shops and companies since 2006 when our patented broach tool design was sold In hole, spline and keyway broaching operations, check the alignment of the fixture with the centerline of the broach, puller and guides before starting the broaching operation. Junk shaft with good splines,a flat piece of steel 3/8 to 1/2 in thick, some way to hold it. 00–(d0Cutter/2 + m*xt) A profile shift of the shaper cutter xt might be required with the low number of cutter teeth, and is therefore considered in the center distance formula. About Keyway Broach Tools. Woodstock, ON N4V1B6. Broaches - Spline Plug Gauges - Form Tools - Punches - Drifts. Messages. For the external broaching operation, you will need to: Turn the bar slightly below the major diameter of the form. The broach tool is specific to the internal spline it is designed for. For decades Ohio Broach has put back the cutting edge on dulled, unproductive broaches of every size and shape — keyways, splines, squares, hexagons, rounds, serrations and special forms — for companies worldwide. External Broaches: These are used for cutting splines on the external surface of a component, such as on a shaft. Jul 31, 2014 · On the 35 splines though I think I will end up crushing the splines on the opposing side of the broached side. ISO 9001:2015 certified custom manufacturer of axle, pinion, differential and spline shafts. Push Broaches: These are pushed through the workpiece from one end to the BROACHES. Call them and ask what pilot diameter the parts need to have after you confirm if they have the broach you need. Includes Wheel Bearing, Seal, and Heavy-Duty Internal Rotary Broaches. Nov 20, 2023 · 3. It’s a common operation for cutting keyways and such and one that can certainly be automated via CNC. Spline broaching is the most common form of broaching and uses a broach to form a series of ridges or teeth around the circumference of a pre-cut hole. EST is a global leader in the design and manufacturing of spline broach tools for both green/soft and hard stage parts, as well as other custom broach tools for internal and external forms. $15ea. Mar 1, 2007 · What primarily distinguishes broaching from other metal-cutting operations is the tooling used. Michaels Machine Co. g. Aug 21, 2023 · The broaching process can handle various materials and offers consistent repeatability, making it a popular choice for spline manufacturing. If this is your first visit, be sure to check out the FAQ by clicking the link above. This video will show the set up how to and show tooling I use for cutting splines. $10 - 24. 1 Standard and are available for fast delivery. Small-Bearing or Late Large-Bearing Applications. It most likely would have to be wire edm cut or ground into a piece of prehard shock resistant tool steel, d2, ect. Inadequate lubrication can lead to wear and fretting corrosion. Most turning machines will be suit Oct 31, 2019 · Rotary broaching is also known as wobble broaching because the tool has a contoured edge and is held by a tool holder that holds it at an inclined axis and allows free rotation. 100" depth. Yet, innovation in rotary broaching tools is still alive and should be considered for various forms including small involute splines and serrations. On the shaft, turn the unsplined end smaller than the minor diam. Power skiving. Feb 17, 2015. ALTMANS, NEWPORT BRASS AND OTHERS. Spur Gears. Module measurements range from 0. It has multiple cutting edges, arranged along the length of a cutting tool. Dismantle and Secure: If applicable, dismantle the broaching tool for better access to individual components. AmTech’s shafting manufacturing capabilities include the production of spline shafts for axles, power transmission, gearboxes and other Dec 13, 2017 · The axle is pretty basic, but the issue is those splines. These bits allow you to switch to another size by changing only the bit body. September 2, 2021 CNCBroachToolMD. In its purest form, a broach is a slender bar with increasingly large teeth size placed along its length. You could also use a wrench to turn the gears so you can see the stroke you were setting. ALTMANS 5-7/8" TALL HOT CERAMIC STEM WITH 16 SPLINE BROACH AND 3/4 WIDE BOTTOM. Drill holes using simultaneous rotary and hammering action to break The chamfer must be slightly larger than the major diameter of the form. Mar 16, 2016 · Analogous to this is the use of hard broaching to improve part geometry after heat treatment. Front axle shafts MUST have the U-Joint removed - Extra $ for removal. Jul 13, 2020 · Hi. In helical spline broaching, keep backlash and wear of the broach drive head and lead bar at a minimum. Thru hardened 4340 front or Rear axle shafts. “Thanks again for all of your help organizing our custom broach tool for our spline work. 4, 5 or 6 Lug Wheel Bolt Pattern. We can grind spline forms in soft steel or 72 RHC on T-15 (as in the case of broach cutter tools)! With grinders you have that kind of lattitude! Hassay-Savage Precision Broaches Hassay-Savage Precision Broaches Newman Tools will make your broaching easy whether it is a standard keyway broach , square broach , hexagon broach , spline broach, serration broach, rotary/punch broach , or a special broaching application. The tool has the correct number of teeth and form for the female spline it is to produce. We were among the first U. Broach sizes can range from 1/2” diameter by 40” OAL to 13 ¾” diameter by 118” OAL. EMAIL: Sales@genswiss. SPLINE CUTTERS Spline cutting is the process of machining internal and external splines onto shafts, gears and other mechanical power transmission components. 50-99 Employees. Our keyway broach tools are made from 17-4 Stainless and heat treated to 44Rc which avoids the brittleness of 60’s Rc and the flex potential of 20’s Rc. Since two rows of steel balls come in contact with the raceway surface at four points, stable accuracy and rigidity can be achieved, even in applications where load with variable direction and Feb 5, 2024 · Stoffel Polygon Systems, Inc. Bring the broach head manually to within . 572)*2. Rotary broaching can be performed by either rotating the workpiece or the tool. The face of the broach tool is the apex of the 1° and is located on the same centerline as the work piece. In linear broaching, which is the more common process, the broach is run linearly against a surface of the workpiece to produce the cut. Will need a helper. Slater Tools Inc. Grob’s cold formed spline shafts are made with an even number of teeth and are parallel over two or more teeth. Our experience in every phase of broaching — design, manufacture, production and Jan 31, 2023 · Broaching Internal Splines on CNC Mill. Internal Rotary Broaches. 1,939. 75. It can be used to create shafts, gears, and meshing mechanical components. 60. Since 1982, Systrand has specialized in precision machining. 7/16, 1/2 or 5/8 Wheel Stud Size. There are two main types of broaching: linear and rotary. Est. Masonry Core Drill Bits for Rotary Hammers. We will do broaching productions of less than 5,000 pieces. All sizes conform to the ANSI B92. Engineering drawing data for Involute Splines: When defining engineering design data on an engineering drawing for involute splines, uniform and consistant specifications should be shown as well as complete engineering to manufacturing information. Spline Broaches. 5 Stub axle nut thread 4130 Forged Chromoly Imported Compatible with the following Bearings: ProAm MS1600NBH-KK ProAm MS1600NBH-PRO ProAm MS1000HDBH-55 Jamar JDB-9001 Jamar JDB-9001TB EMPI 16-2510-1. Expert craftsmanship and fast turnarounds is what Miller Broach promises to its customers. ZR-1 Axle AC Delco and GM Part# Left Axle Part# 22873445 Right Axle Part# 22873443 Jul 13, 2020 · Hi. Learn more about AXISCO spline broaching tool: Broach cutting Feb 8, 2019 · Good News! My 2011 Base Model axle upgrade was a success. Polygon Solutions is ISO Certified and Specializes in Rotary Broach Tools for Lathes, Mills and Screw Machines. A33CST -Custom Length Alloy 33 Spline Axles Custom Alloy Axles 33 Spline AxlesMoser Custom Alloy Axles are without question the best in the business. Aug 12, 2022 · (broaching a 12 tooth spline in haas vertical mill with no 4th axis - main program) (program feeds towards y positive direction) (note - g91 is incremental and g90 is absolute) (this program can only be used when there is adequate clearance between the bore and the back of the holder) % t10m06h10d10(using t6mmml cnc broach tool) g00g90g54g43 Congratulations tonyfoale - your Broaching Tool is the Homemade Tool of the Week! This is a clever and effective use of a male splined axle shaft as a spline broach for holes in aluminum. Over the course of the last 40 years, high-performance gears and gear testing have become increasingly important to the automotive industry—and to us. Basic math gives us an amortized per piece cost of $20 each. May 3, 2023 · Harvan Manufacturing Ltd. FORD 60 CHROMOLY 35 spline- Outer Stubs Unit bearing Style. The result is a T56 Magnum size Ford 31 Jan 5, 2024 · Broaching plays a crucial role in the automotive sector, particularly in the manufacturing of components such as gears, shafts, axles, and spline shafts. Broach Introduction. 6 Old Stage Road. Nov 6, 2008 · RE: Where would I go to get a JR Servo Spline "broach". Request a Quote Broach Tooling Services. I figure I could broach them, but that's 8 axles and 6 splines per. Linear broaches are used in a broaching machine, which Jan 8, 2011 · The driveplates get splined not the hubs. With a diameter of 3/4" and 48 teeth, I would be surprised if you truly have a 45° pressure angle. Ohio Broach & Machine Company Willoughby, OH. We regularly manufacturer spline broaches for precision-made Steering Knuckle Arm, Constant Mesh Gear, Front Axle, Lift Arm, Depth Control Cap, Bull Gear Jun 25, 2020 · What Is Spline Milling? Spline milling is one of the processes of machining grooves into a chunk of raw material to create the teeth of a spline. I imagine if I made some kind of half round spacer to spread the load across the cut splines that may eliminate most of the “crush” effect. Form Cutters for External Profile Broaching on CNC Swiss Machines, Turning Centers and Lathes. Like all Slater Tools Rotary Broaches, spline broaches can be made in a variety of premium materials and with different coatings to help achieve maximum tool life. Our Price: $71. The shank has 12 splines for use with a spline-drive rotary hammer. Built into the tool is a 1-1/2° clearance angle. 94" and a major of 1. We can also analyze your tools and the parts being produced, providing our expert recommendations for the most cost-effective way to improve performance. dale@northeastbroach. The Involute Spline Broach is primarily used to produce internal involute profiles. Our brands. com . The precision and efficiency of broaching are instrumental in producing the intricate shapes essential for automotive engineering. A client reached out to us for help on Broaching Internal Splines on their CNC Mill. Adequate lubrication is important for proper spline operation. Turned the ram around over the table and the head quill would go up and down to stops that could be set for stroke length. of the spline. I considered rotary broaching and the commercial tools for that are just to expensive. Broach Tools. 3212xZ36 spline in stainless steel with a HSS wobble broach on a vertical machining center. We have ISO 9001:2008 Certified Co. This is the end of part 1 and has more how to set up to cut splines on a milling machine for beginners. Extensive Experience in Precision Gear Broaching. Inspect and Clean: Before diving into resharpening, closely inspect the tool for any signs of damage. $10pr. 00/2–(–0. The process is often completed in a single stroke, making it highly efficient. Details: Forged 1541 Induction Heat-Treated Material. Inc. The center distance between shaper cutter and internal spline is: Center Distance = d0/2–x*m–d0Cutter/2 = 24. In this episode, I go over the process of cutting the splines on a hardened TR6060 mainshaft using carbide inserts. If you could find a blueprint of the splines that would be great, see if swb or one of the Spline broaching, also known as round broaching, creates round, plain, or irregular splines and spiral tooth forms. When you hold the part and look in '!he same manner, whichever shoulder the piral of the splines points to indi-cates the hand of the helix. Quantity. A broach combines roughing, semi-finishing, and finishing teeth in a single line. Hours of Operation: Mon - Fri 8:00AM - 5:00PM Eastern Time. Design engineering drawing miscommunication should be avoided. Our team of professionals are aligned to support all of our customers both domestically 12 spline broach: 15 spline broach: 16 spline broach: 17 spline broach: 18 spline broach: 19 spline broach: 2 flat sided broach: 20 spline broach: 22 spline broach: 24 spline broach: 30 spline broach: 32 spline broach: 38 spline broach: d shaped broach: round broach: spray nozzles: square broach: volusion. Advertising supports this site. Jun 25, 2019 · Tweet. 5 module to 12 module. hot broach it. I remember doing that many years ago on a bridgeport with a braoching head on the back. A complete range of Spline-Involute, Parallel and Trapezoidal, Serrations, Ratchet, broaches specially designed to suit the component specifications. Yeesh, that will take forever. Add a lead-in chamfer and at the back of the area to be broached; and. Rotary broaching tools were first patented more than 100 years ago by H. Aug 25, 2011 · The knuckles nor unit bearings will need any work to run even 2" 47 spline shafts. Special forms include double D, keyways, serrations, Torx-like (six lobe/ hexalobular), splines, Rosan-style and more! Built-to-order 31-spline Currie Performance Axles for Ford-9-inch rear-ends. shockseals. It's like they're begging for 40 spline. Broaching Operation. We’ve written about CNC broaching tools before. The UB are very different from the "old style" (99-04). Broaching is a machining process that uses a toothed tool, called a broach, to remove material. Splines can be either straight cut or helical cut. in Tuckahoe, NY, produces custom polygonal spline shafts for the industrial sector. Although many variations exist, the basic tool is an axial, multi-toothed rod, bar, or plate. 48 splines. We normally don't have to grind axles under coolant, because we match the wheel to the material. Our machines have 100 tons pulling pressure and a maximum broach length of 72” capacity. Mark williams is 45/90. A broach is a tool used to cut those seemingly impossible holes in metal, such as squares, double-D, hex, keyholes and more. Clean the tool thoroughly to remove debris, dirt, and coolant residue. The machining cycle time is reduced considerably compared to conventional machining methods, such as broaching, shaping, and hobbing. Tough applications on CNC and screw machines may be improved using coatings such as TiN, TiCN, and TiALN, available for all rotary broaches. I have listed the GM and AC Delco Part# I used below. All of our special forms are made in-house, which allows us to provide extremely fast delivery times. Available in push or pull type desigh. Spline-Shank. Slater Tools designs, manufactures and delivers the finest, most competitive turning industry tools such as Rotary Broaching Tool Holders, Broaches, Retractable Live Centers and Screw Our expertise is gear manufacturing. The IKO Linear Ball Spline G is a linear motion rolling guide in which an external cylinder performs endless linear motion along a spline shaft. Yes grind. When your project requires mating parts, look no further. Involute splines 30 degree pressure angle, 60 total. The broach is carefully guided through the workpiece, cutting away material with each pass. A properly sharpened broach ensures the tool's accuracy, adding tool life and resulting in lower costs. Call us to see if rotary broaching is right for your project: 239-628-4800 or fax a print to us for a free quote: 239-628-4801. com. Westfield, MA 01085. You may have to register before you can post: click the register link above to proceed. We begin with premium quality alloy steel that is forged in Moser designed tooling, induction heat-treated to optimize torsional strength, and 100% magnafluxed. We also partner to offer machines and gauges and tooling. The result is a T56 Magnum size Ford 31 Sep 14, 2023 · 1. Next, loosen the two cap screws on the holder so that the body separates from the shank by about 3/16”. #5. Import axles with a NON-Machined or square flange. Apr 29, 2024 · 4 weeks by cncdivi. Driving Innovation® in machining… Our world-class Product Development teams design innovative drivetrains and associated technologies for the off-road, lawn and garden and light vehicle markets. This is the amateur machinist here . The precision and efficiency of broaching make it ideal for Northeast Broach LLC. Power skiving is used for productive mass-production of gear teeth and splines. Fx: (413) 562-4802. Call and speak to one of our Engineers today about your specifications - 239-628-4800. circular hole, polygonal hole and various spline holes) and Dec 21, 2010 · Mark Williams Enterprises has a good selection of common automotive axle spline broaches and is quite reasonable broaching a few parts. Kris. Miller Broach takes great pride in our broach services as this is what our company was founded on. 4" $225. We are fully equipped to manufacture both standard and special Spline Broaches in either push or pull styles, including all types of round broaches, Spline broaches, keyway broaches, internal hole, and surface broaches. 50. Alcester Broach offer broach tool manufacture and sub-contract broaching services. These Internal Involute Spline Rotary Broaches can be used with our 1/2″ Series GT Rotary Broach As spline shafting suppliers, AmTech OEM can manufacture a spline shaft with an outer diameter of 0. 0625” undercut at the end of the form. Broach refers to the tool for the majority of heavy-duty tool and fine sharpener, which is mainly installed in broaching machine. 06-26-2019, 02:34 PM. Grob Standard Spline Shafting has been designed to maximize torsional strength and contact area. Custom form rotary broach tools can also be manufactured according to your exact specifications. Jul 19, 2017 · Internal spline teeth can be manufactured by shaping or broaching. Push Broaches vs. Services include complete broach reconditioning Gear Engineering & Design. IKO. This need is being met on internal spline applications by the use of hard broaching. Ph: (413) 562-4800. Timing Pulleys. Since my Base Model came from the factory with 30 Spline axles and wheel hubs I had to upgrade to ZR-1 33 Spline axles and hubs for my power level. THIS STEM IS DESIGNED TO BE CUT TO LENGTH. The cutting action can be either linear or rotary, depending on the type of broaching machine and broach used. For example, when the precision requirement of the spline is high, many customers choose our well-designed broaching tools with servo-driven broaching machines to make. All Images and Content ©Genevieve Swiss Ind. The ID of the factory sealed roller bearing in the UB that the stub rides on is 1. 35 spline is 1. CNC Milling: The Most Common Method. We received everything the other day and have it installed in the machine and ready to go. Looking al the lower section of the part •. Jun 3, 2021 · It requires more complex technology to make a spline, including broaching tools, fixtures, broaching machines, etc. 107 Potomac Avenue, Tallmadge, Ohio 44278, United States. manufacturers to supply high-precision hybrid and Apr 1, 2005 · This is especially critical on small broaches where the broach will try to find “the line of least resistance” and follow the hole. 97. Genevieve Swiss Industries, Inc. 1984. Broach is a kind of high productivity and high precision multi thread tool. Broaches are made to suit component specifications, customer’s machine and holder details. EDM or broach would be method of making them. STERLING 5-7/16" LONG HOT OR COLD STEM WITH 16 SPLINE BROACH SEAT NOT INCLUDED. Commonly, involute splines are designated by two pitches, such as 24/48 DP, 16/32 DP, 8/16 DP, etc. Let us say as an example that an internal spline broach costs $1,000 and you have 50 pieces to broach. Sep 9, 2016 · Broaching of a . www. The following steps outline the process of spline milling: The chunk of raw material that will become the shaft of the spline is fitted into the indexing fixture of the milling equipment. offers the largest variety of internal and external rotary broaches, also known as wobble broaches. Pressure relief vent holes, spun ground diameters, corner radii, special tolerances, quantity discounts and resharpening are also offered. Here’s a Monel socket that required broaching right through the helical threads: That Monel can be some nasty stuff! As we all know, that Monel can be some nasty stuff. Polygon Solutions offers a wide range of Standard Internal and External Involute Spine Rotary Broaches that are designed to be used individually or as mating parts. Jan 1, 2005 · Broaching: This method is used to produce female splines of all types. In a piece of scrap stock, drill and ream a hole to . Surface Broaches; Keyway Broaches; Spline Broaches Rotary broaches are widely used by the aerospace, medical, automotive, plumbing and fastener industries. in Racine, WI, is a producer of custom shafts. The exact cutting angle, contour and rotational speed is crucial to accurate performance. I hope you enjoy this information and know if I c Feb 17, 2015 · Jan 26, 2015. #8. Our knowledge base extends from the manufacture of each component that is critical to the function of the vehicle. Nov 21, 2005 · We form splines with shaping, broaching, hob milling and specialized endmill tools. 2. Ideally, a flow of oil should go through the splines, removing particles generated by this wear or fretting corrosion and lubricating the splines. I think they charged me about $75 to broach several spools a few years ago. 50″ to 48″. Your method on the indexing head will work fine for 1 or 2 pieces as long as your cutting tools are correct. Some more nice builds from this week: Soft-Faced Mallet by intjonmiller. Choose Slater Tools For All Your Rotary Broaching Needs! Since 1951, Slater Tools Inc. Sean. Spline Broach. nc bs vj df ha mq qq aj mq xl