Air Threading New Britain

Increase Productivity, Thread Quality and Tap Life on Your New Britain with Logan Hydraulic / Pneumatic Threading Clutches

Now, you can achieve state of the art tapping repeatability, reliability and quality with Logan Hydraulic / PneumaticThreading Clutches.

How? It’s simple, Logan clutches are designed and manufactured to transmit twice the torque of older style  competitive brands – all within the same axial length and envelope!

Consistent, Uniform Tap Depth

Engagement and disengagement is smooth and positive – tap depths remain consistent over millions of parts. Also, the load on your tap is uniform, prolonging the life of the tap. Fewer tool changes are necessary, shaving valuable hours from a big job.

Logan Hydraulic / Pneumatic Clutches are simple to install and fit within the same axial length and envelope as the Formsprag and TB Wood’s style clutches used on New Britains in the 60’s and 70’s.

Hydraulic Vs. Pneumatic: Although Logan can supply drop-in replacements for New Britain legacy hydraulic threading clutches, we discovered in the 1990’s that Logan Air Threading Clutches responded more quickly to clutch speed changes, provided better tap depths, and were less expensive to maintain that hydraulically actuated threading clutches. However, we do service both hydraulic and pneumatic clutches for your New Britain.

Increase Productivity and Quality

• Self-Adjusting Disc Pack – No Slippage
• Extremely Accurate – Uniform Thread Depth
• Large Cylinder-Piston Area for Maximum Torque

Simple To Install

• Most Logan Threading Clutches Utilize Existing Clutch
  Drive Cups, (Clutch Gears) and Shafts

Convenient to Maintain

• Increase Tap Life Through Positive Logan Clutch Engagement
• In Stock – Disc Packs, Bearing Kits and Seal Kits, Complete with Installation Data Sheets, Simplify Maintenance

Electrical-Pneumatic Start-Up Kits

• Each Logan electrical – pneumatic start-up kit is designed to save you time and money during Installation. Kits are furnished with detailed schematics to simplify Installation

Simple to Install

• Easily retrofits with all types of early and late-model screw machines
• Field installation service is also available

How to Order

• Call Logan and specify machine make and model. Provide part number and brand of clutch being replaced
• If necessary, confirm bore, keyway, and axial length of duplex clutch assembly being replaced

Logan Hi-Capacity^TM Air Threading Clutches

Logan Clutches – How They Work

Pressurizing the cylinder forces the piston to clamp and lock the friction and steel separator discs. When pressure is removed, release springs separate the separator discs and maintain a running clearance between separator and friction discs.The amount of pressure controls the amount of torque.

Speed Changes

Change of speed in threading applications is accomplished through a limit switch and a solenoid-activated, directional control valve. At the prescribed depth, the limit switch is tripped by the threading slide shaft, signaling the threading clutch to change speeds. Low speed for tapping - Fast speed to back the tap out. (Left hand threading applications require the inverse sequence).

Lubrication

Since Logan Clutches operate at relatively high speeds, a steady metered flow of lubrication is required over the bearing and disc pack surfaces.