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Kestaş | OUR SERVICES
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Kestaş | OUR SERVICES
Our Services
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Kestaş | OUR SERVICES
OUR SERVICES
Our company, which supplies broaching sets and broaching machines to customers who perform broaching operations in-house, has also been providing machining services alongside broaching to many of its customers who produce high-volume parts under the Kestaş umbrella for years.
By covering the costs of broaching tools, fixtures, and accessories, and leveraging our existing and continuously expanding broaching and CNC machining lines, our company has become an indispensable solution partner for its customers by developing projects focused on 'High-Quality, Fast, and Cost-Effective Production Techniques' to reduce production costs.
Kestaş | OUR SERVICES
01
BROACH SHARPENING AND REPAIR
Broach cutters operate on the principle of material removal by progressively rising teeth. Over time, the cutting edges of these teeth—which operate in a continuous sequence—will become dull due to factors such as friction and heat, and this is normal. Each broach must be sharpened at specific intervals. These intervals depend on factors such as the type of material being drawn, material hardness, the cutting fluid used, the tools and fixtures, and the rigidity of the broaching machine. These intervals are determined based on the number of parts that can be drawn. Failure to adhere to these intervals may strain the broach and cause it to break.
  • The sharpening operation is performed on broach sharpening machines by modifying the cutting surfaces of the teeth to achieve maximum efficiency.
    The tooth faces, which have become deformed over time, are reshaped to restore the broach to its original form. During this process, any issues that have developed over time on the broached parts are also taken into account, and a sharpening program is applied accordingly.
  • To prevent such problems from occurring, great care must be taken to adhere to the sharpening schedule.
    If you do not know your broach’s sharpening schedule, you can call us immediately for information or send an email specifying your broach usage conditions to request information.
Kestaş | OUR SERVICES
02
PART MANUFACTURING
Some of the parts in the machine parts industry that can benefit from broaching technology include: Machine transmission gears, clutches, couplings, granule grinding gears, reducer gears, submersible pump clutches, heavy-duty and material handling system gears. To learn more about the manufacturability of your parts using broaching technology and the benefits this technology can offer you, please contact us via email. You are also welcome to visit our factory to review application examples and allow us to better demonstrate the methods that can be applied to your parts.
  • Our company, which supplies broach sets and broaching machines to customers who perform broaching operations in-house, has also been providing machining services alongside broaching for many years under the Kestaş umbrella to numerous customers who produce high-volume parts.
  • By covering the costs of broach sets, fixtures, and tooling, and by utilizing our active and continuously expanding broaching and CNC machining lines, our company has become an indispensable solution partner for our customers by developing projects focused on ‘High-Quality, Fast, and Cost-Effective Production Techniques’ to reduce production costs.
  • By carrying out the entire machining process for parts involving broaching operations under the Kestaş umbrella to produce “finished parts,” we provide our customers with significant advantages in terms of logistics and cost.
  • Our company has established the documentation system and quality control mechanisms required during processes in accordance with automotive standards for our customers—both the primary industry and the supporting industry that manufactures parts for the primary industry—and has earned the IATF 16949:2016 Automotive Quality Management System certification and has completed the optimization of its mass riveting and parts manufacturing line to meet these requirements.
Kestaş | OUR SERVICES
03
KESTAŞ HIGH-PERFORMANCE BROACHING OIL
There are three key elements to a good broaching process. These are: a properly designed and manufactured broach, a suitable broaching machine, and broaching oil capable of ensuring high productivity under all conditions.

For nearly 40 years, our company has been manufacturing broach cutters in-house for parts made of a wide variety of materials and with different geometries for hundreds of customers, as well as providing contract broaching services for these parts.

Based on this experience, our company uses Kestaş High-Performance Broaching Oil in its contract broaching operations and also sells this oil, which was specifically developed for this broaching process.

KESTAŞ provides its customers with training on the proper usage rates of this special oil in accordance with broaching specifications and monitors process performance in collaboration with its customers.

This special oil is used as a lubricant in broaching operations on hard metals. During broaching operations, temperatures can reach up to 800°C due to friction, and broaching tools can be damaged by this high heat. Kestaş High-Performance Broaching Oil thins out perfectly under heat, reaching all the way to the very tips of the broach teeth and breaking the contact between the broach and the workpiece. It provides excellent lubrication thanks to its extreme pressure (EP) additives.

This prevents damage to the broaching tool, extends its service life, and ensures higher-quality surfaces. It delivers a significant improvement in broaching performance, particularly when machining materials such as titanium, stainless steel, hardened steels, and 4140.

If the wrong cutting fluid is used or no cutting fluid is used at all,

  • the total service life of your broaching tool will be significantly reduced.
  • Sharpening intervals will become more frequent. For example, instead of sharpening every 4,000 parts, it will be necessary to sharpen every 3,000 parts.
  • This will lead to an increase in breakage and tearing issues observed at the point where the broach exits the workpiece.
  • For detailed information about our Kestaş High-Performance Broaching Oil product and to discuss how to achieve higher efficiency in your broaching processes, please contact us using the contact information below.
Kestaş | OUR SERVICES
04
TRAINING and TECHNICAL SUPPORT
Achieving high efficiency and long tool life in broaching processes requires the right engineering approach and process knowledge. KESTAŞ does not limit itself to tool production but also provides its customers with technical support services in the areas of application, process, and operations management.

Our team of experts develops practical solutions for our customers on topics such as broach selection, tool geometry, cutting parameters, fixture usage, and production optimization. We provide process setup support for newly launched projects, while also conducting improvement initiatives to address quality and efficiency issues in existing production operations.

Additionally, through training programs for operators and technical staff, we aim to ensure that broaching processes are carried out in a safer, more sustainable, and more efficient manner. With its field experience and engineering infrastructure, KESTAŞ aims to make long-term contributions to its customers’ production processes.