Condition
Category
Type
Manufacturer
Stock Machines
PRECIHOLE LPVN12 Lapping Machine
Precihole Lapping Machines lap/polish the bores and grooves in the barrel after button rifling or cut rifling. This process helps improve the surface finish by getting rid of any burr or surface deformities like deep tool or chatter marks on the ID. This is the last process in barrel ID making before chambering and profiling. The machine is capable of handling cast lead or hard nylon brush tool during operation. Choice of using cast lead or hard nylon tool depends on the level of polishing needed on the barrel. Machine Features - Extremely compact unibody design for maximum space saving - Quick clamping of barrel in cones for production - High speed reciprocation of up to 50 m/min (164 ft/min) - Lapping tools ensure even polishing of bore and grooves - Use of precision ball screw for slide movement reciprocation - Customized screens for operator friendliness and ease of use - Complete solution offered by Precihole including machine and tooling
Condition: new
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PRECIHOLE BSP10 Straightening Press
Barrels need to be straightened during various stages of conversion between a rod to a finished barrel. Precihole provides a compact and precise solution for this operation. Barrel blank straightness is a critical factor that determines the final accuracy of the weapon system. Barrels are long and slender shafts that bend during heat treatment, machining or stress relieving. This press helps to correct the deflection by holding the barrel in a simply supported configuration and pressing the area with the bend in the opposite direction.
Condition: new
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PRECIHOLE BRM155 Broach Rifling Machine
Precihole is proud to be in a very small elite group of machine manufacturers in the world that can provide a broach rifling machine for medium and large caliber weapon systems. Broach rifling creates spiral grooves in the barrel using a hook cutter. The linear and rotary motion of the hook cutter are precision controlled for accuracy using a servo drive and ball screw or rack and pinion mechanism. The broach cutters are progressive in size and each cutter cuts a size slightly bigger than the previous one. Machine Features - Use of ball screw or precision rack and pinion and servo drives for reciprocating linear motion - Precision interpolation and control of linear and rotary axes of the spindle - Special fixturing for quick component location and clamping - 10 micron fine coolant filtration system - Fanuc / Siemens CNC controls - User friendly machine operation
Condition: new
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PRECIHOLE BRM100 Broach Rifling Machine
Precihole is proud to be in a very small elite group of machine manufacturers in the world that can provide a broach rifling machine for medium and large caliber weapon systems. Broach rifling creates spiral grooves in the barrel using a hook cutter. The linear and rotary motion of the hook cutter are precision controlled for accuracy using a servo drive and ball screw or rack and pinion mechanism. The broach cutters are progressive in size and each cutter cuts a size slightly bigger than the previous one. Machine Features - Use of ball screw or precision rack and pinion and servo drives for reciprocating linear motion - Precision interpolation and control of linear and rotary axes of the spindle - Special fixturing for quick component location and clamping - 10 micron fine coolant filtration system - Fanuc / Siemens CNC controls - User friendly machine operation
Condition: new
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PRECIHOLE BRM40 Broach Rifling Machine
Precihole is proud to be in a very small elite group of machine manufacturers in the world that can provide a broach rifling machine for medium and large caliber weapon systems. Broach rifling creates spiral grooves in the barrel using a hook cutter. The linear and rotary motion of the hook cutter are precision controlled for accuracy using a servo drive and ball screw or rack and pinion mechanism. The broach cutters are progressive in size and each cutter cuts a size slightly bigger than the previous one. Machine Features - Use of ball screw or precision rack and pinion and servo drives for reciprocating linear motion - Precision interpolation and control of linear and rotary axes of the spindle - Special fixturing for quick component location and clamping - 10 micron fine coolant filtration system - Fanuc / Siemens CNC controls - User friendly machine operation
Condition: new
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PRECIHOLE SBN250 Skiving & Roller Burnishing Machine
Precihole’s SBN Series Skiving and Roller Burnishing Machines are built to operate in a high production mode for accurate size & best bore finished hydraulic cylinder tubes. Machines incorporate use of state of the art technology that enables cycle times to be 30-40 times faster than honing. Machines are customized to suit volume requirements and provide excellent surface finish and wall thickness consistency across the length of the tube. These machines are complete solutions that include features needed for continuous and repeatable performance over many years. Machine Features - Rigid and Robust design to allow precise and vibration free movement of machine elements - Use of ball screw or rack and pinion with servo drives for linear motion - Multiple tool steadies to provide tube support - Hydraulic vice clamping for clamping tubes for slender or longer tubes - High pressure coolant and fine filtration system - Oil chilling and Automatic Lubrication - Fanuc / Siemens CNC controls with customized screens for monitoring machine parameters - Automatic loading unloading arrangement
Condition: new
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PRECIHOLE SBN150 Skiving & Roller Burnishing Machine
Precihole’s SBN Series Skiving and Roller Burnishing Machines are built to operate in a high production mode for accurate size & best bore finished hydraulic cylinder tubes. Machines incorporate use of state of the art technology that enables cycle times to be 30-40 times faster than honing. Machines are customized to suit volume requirements and provide excellent surface finish and wall thickness consistency across the length of the tube. These machines are complete solutions that include features needed for continuous and repeatable performance over many years. Machine Features - Rigid and Robust design to allow precise and vibration free movement of machine elements - Use of ball screw or rack and pinion with servo drives for linear motion - Multiple tool steadies to provide tube support - Hydraulic vice clamping for clamping tubes for slender or longer tubes - High pressure coolant and fine filtration system - Oil chilling and Automatic Lubrication - Fanuc / Siemens CNC controls with customized screens for monitoring machine parameters - Automatic loading unloading arrangement
Condition: new
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PRECIHOLE FCVN50 Facing & Centering Machine
Precihole manufactures a special purpose, highly versatile machine for facing and chamfering of barrel blanks. Accuracy on these operations is critical for the barrel blank to be located and aligned properly in the cone clamping system on gun drilling and pull reaming machines. If the barrel is improperly faced or chamfered, the barrel does not seat properly in the cone leading to inaccuracies in the gun drilling operation. This machine engages the component simultaneously at both ends. The combined facing and chamfering operation uses a special tool that ensures high productivity. Two hydraulically operated self-centering work holding vices hold the barrel blank accurately. Total cycle time is generally less than 30s. Automation for loading and unloading of barrels can be added as an option on the machine. Machine Features - Use of ball screw and servo drives for linear motion - Simultaneous facing and chamfering operation at both ends using special tools - Hydraulic self centering work holding vices for barrel clamping - Mitsubishi / Siemens PLC controls with touch screen HMI - User friendly screens, simplified machine operation - Chip conveyor and filtration system for flushing chips
Condition: new
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PRECIHOLE BVN250 Deep Hole Drilling Machine
Precihole’s BVN Series BTA (STS) Deep Hole Drilling Machines are built to operate in continuous production mode for drilling large holes in shafts. Machines feature state of the art technology that produces holes with excellent straightness, bore tolerance and surface finish. These machines are complete solutions that include all features needed for continuous and repeatable performance over many years. Machine Features - Rigid and Robust design to allow precise and vibration free movement of machine elements - Use of ball screw or rack and pinion with servo drives for linear motion - Proprietary designed pressure head to allow optimum oil flow and tool guiding - Vibration dampeners to absorb vibrations and reduce tube whipping to improve hole straightness - Self centering chuck clamping at both ends on rotating setup for quick setup of parts - High pressure coolant and fine filtration system - Oil chilling and Automatic Lubrication - Fanuc / Siemens CNC controls with customized screens for monitoring machine parameters - Provision for adding other processes like Counter boring, Trepanning, Pull Boring, Skiving and Roller Burnishing, Bottle Boring on same machine
Condition: new
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- 713-462-5800
- 24 Greenway Plaza, Ste. 624
Houston, TX 77046