For 4 decades, Precihole Machine Tools has been a world-class leading manufacturer of deep hole drilling and hole finishing solutions. The company not only designs and manufactures it’s lineup of common models, but also routinely creates and customizes engineering solutions to build models that meet specific specification for many of their worldwide customers. Precihole has a significant presence in industries such as Firearms & Defense, Oil & Gas and other Energies, Aerospace, Automotive, Die & Mold. Recently the company entered the medical industry with a new Micro Medical Gun Drilling Machine.
Deep hole drilling and finishing solutions have over 150 different applications that spread across 20+ industries. Precihole offers solutions for these various applications by manufacturing machinery solutions such as Gun Drilling, BTA (STS) / Ejector Drilling, Pull Boring, Trepanning, Counterboring, Honing, Lapping, Pull Reaming, Skiving and Roller Burnishing, Bottom Forming and Bottle Boring and more.
Precihole Pull Reaming Machines provide all necessary features to improve the surface finish and size consistency in the bore of a gun barrel. This operation is next after gun drilling. Pull reaming removes all irregularities in the hole by improving surface finish and preparing the hole for rifling. The machine can be configured to be robot ready, including automation for reamer insertion and retrieval as well as auto door operations such as opening and closing automatically.
Machine Features:
Robot readiness for easy integration in an automated cell
Automation for reamer insertion and retrieval
Integrated unibody design for a compact footprint
Component indexing arrangement for ease of loading and unloading parts
High pressure coolant and fine filtration system
Oil chilling and auto lubrication
Mitsubishi PLC controls with well-designed operator-friendly screens
Reaming Diameter Range: 0.2″ – 0.5″
Number of Spindles: 1 / 2
Max. Reaming Depth: 24″/30″/40″
Barrel OD Range: 0.75″ – 2″
Max. Component Weight: 65 lbs.
Reamer Feed Range (IPM): 0 – 20
Power per Spindle: 2 HP
Spindle Speed: 10 – 3,000 RPM
Precihole to use 10 predrilled blanks for pre-acceptance tests. Precihole will conduct trials on those 10 nos. of barrel blanks for ONE SIZE for machine pre-acceptance at Precihole factory.
Coolant, Hydraulic oil, and Air to be provided by customer during machine commissioning at customer end.
Two copies of machine manuals, containing the following items will be dispatched with the machine:
Installation guidelines
Operating and maintenance instructions
Electrical Ladder Diagram
List of spares and consumables
We use cookies to improve your experience. Privacy Policy.