Precihole BRVN Series

The rifling button is pulled and rotated precisely through the barrel. The machine uses anti-backlash helical guides and rotary encoder to interpolate linear and rotary motion. This produces rifling twists exactly as needed by the rifling tool. Precihole's button rifling operations are extremely fast at pull feeds of 40-50 IPM. Machine features:

Electrochemical Rifling

Extrude Hone's dynamic rifling machine can accommodate three 800mm barrels. Perfect barrel rifling for superior firearms. Extrude Hone's electrochemical rifling (ECR) distinguishes itself by offering a level of precision and quality beyond the capabilities of traditional methods. With a legacy spanning more than two decades, EC rifling has ...

Cut Rifling Machines

Precihole Cut Rifling Machines produce extremely accurate and precise barrels by cutting grooves using a single point cutting tool. Work piece is clamped rigidly in a self-centering vice. Servo …

Revolutionizing Firearm Manufacturing: The CNC Rifling Machine

One such breakthrough in this field is the advent of CNC (Computer Numerical Control) rifling machines. These cutting-edge devices have transformed the way firearms are manufactured, making the process more precise, efficient, and consistent. In this blog post, we will take a closer look at CNC rifling machines, their working principles ...

Reaming & Cut Rifling Gun barrels (Pics galore!)

The cut rifling machine is old but functions flawlessly. It is all open oiling with many oil pots. It is mostly all automatic with a long shaft with a ground cutter made from TanTung or Cobalt. It is ground to match most common right hand rifle twists inch or metric. The cutter head is located about 3" from the end of the shaft.

Barrel Rifling Processes Explained: Broach, Cut and Button

Absolute Machine Tools is proud to import and distribute all three of Precihole Machine Tools' innovative barrel rifling machine lines to North American manufacturers. The Art of Barrel Rifling: Button, Cut, and Broach. Rifling is the art of carving spiral grooves inside the barrel, a critical step that when done well ensures accuracy and ...

Rifling Types 101 | Vortakt Barrel Works

Manufacturing Cost – Tooling – low / Machine – low / Cycle time – low. Popularity – Because of the simplicity, consistency, and short cycle time that button rifling offers, this is by far the most commonly used process in rifle barrel manufacturing by volume.. Typical Applications – Hunting rifles, MSR style rifles as well as some precision rifles and some pistols.

Rifling machine

The following pictures demonstrate the machine and rifling head as used for 2 of the Lukens barrels. I'm presently making the rifling head for the Girardoni rifles. Rifling machine. Here is the end view of the machine. The main frame is a 4″x4″ Al I-beam. The diagonal to the right is the sine-bar and is Al channel.

Superior Accuracy R-Series Rifling Machines

Accuracy and control in the rifling process, create accuracy and control in finished rifle barrels. R-Series rifling machines put unmatched manufacturing control in the hands of operators. Manufacturers are able to produce exceptional barrels in higher quantities, with intuitive technology and choice components.

Mechanical Heritage of China's Mountain Gun …

The equipment used to manufacture 36 Type mountain gun primarily relied on two sources. While the majority of the standard equipment was self-manufactured by NWIC [8, 12], precision equipment such as rifling machines were imported with assistance from the KMT Government in the 1940s.Notably, a rifling machine provided by SOMUA, a subsidiary of …

Rifling Evolution: Cutting Through The Spin On Twists

This method was first applied to the MG42 machine gun, where the barrel was hammered into shape over a mandrel placed in the bore of a barrel blank, shaping, rifling and chambering in one step. Hammer forging requires expensive machinery. In the Post-War era, this technique is mainly used to produce what is now termed "polygonal rifling."

Rifling Machine

In 1854, Henry D. Stone of Robbins & Lawrence created a rifling machine for carving out the barrels of guns, in particular the foreign-designed Enfield Rifles. 3 His invention cut three grooves at the same time, quickening the rifling process even more. 4 According to the American Precision Museum, who currently displays the Robbins & Lawrence ...

R-2A Barrel Rifling Machine | Cutting Tool Engineering

The R-2A barrel rifling machine finishes barrel blanks with a high degree of accuracy, according to the company. A storage capacity of up to 300 part programs makes it possible to complete many different part setups quickly with less input from the operator, which significantly increases productivity. The machine's programs suit a broad range ...

ECM Rifling by EMAG: High-Precision Barrels Guaranteed

ECM Rifling with Special Machine Solution. EMAG ECM now uses a clever technological concept developed specifically for rifling. First, where the tool is concerned, this means that the (very narrow and elongated) tool cathode generates the desired internal geometry of the barrel with high precision. A wide range of very different geometries are ...

BUILDING A BUTTON RIFLING MACHINE

BUILDING A BUTTON RIFLING MACHINE The drawing for the vertical rifling machine shows the machine with the guide pipe, andthehorizontal uses a " I beam to guide the head.. In some drawings on the vertical machine, the guide pipe has been omitted so as not to confuse the reader in reading the drawing. You will see a side view of the drawing showing