PNEUMATIC ROLL Model PR-320 MARKING The PR-320 adds versatility and efficiency to marking operations. It can be operated in any position to fit specific applications, such as marking components on transfer type machines. Accepts existing roll marking machine tools, or can be equipped with Imperial’ standard line of fixtures. s Operation: The marking head automatically moves down against the piece part, applies controlled pressure, and rolls from right to left across the work, producing the highest quality impressions. With large die space and a hand wheel for fine depth adjustments when required, a variety of sizes can be marked. Marking versatility: Flat stamps or marking rolls are used to mark round, flat or contoured surfaces. Construction: Unique, rugged design provides advantages normally associated only with large, more expensive machines. “ frame construction, H” with open back, makes it easy to accommodate longer parts. Sturdy, completely enclosed base reduces space requirements. Hand controls are within easy reach of the operator. Unit is pneumatically operated with horizontal and vertical cylinders in the marking head. (Once part is located, it remains in a fixed position). Specifications Maximum pressure at 100 lbs. PR-320-2 5200 lbs. PR-320-4 8000 lbs. right to left 1/4”to 6” Stroke- variable up to max. of 4,800 - 1”strokes per hour Vertical distance between head and table max. 16” Distance between uprights 17-3/4” Maximum diameter of round piece part to be marked 14” Maximum size of flat piece part to be marked 12” Table Size 6” x 15” Floor Space 18” x 30” Weight Machine 640 lbs. Base 230 lbs. Total 870 lbs. Power system is completely pneumatic (no motors) (max. 8.3 CFM). No electrical connections required, unless used with production feeds. Carriage Specifications Model No. Roller Knurl Carriages Maximum Roll Dia. Shaft Diameter Roll Width RC 336 RC 338 RC 348 RC 438 RC 548 RC 638 RC 648 RC 848 RC 1058 RC 1158 3” 4” 4” 4” 4” 4” 4” 4” 4” 4” 3/4” 3/4” 1” 3/4” 1” 3/4” 1” 1” 1-1/4” 1-1/4” 3/4” 3/4” 3/4” 1” 1-1/4” 1-1/2” 1-1/2” 2” 2-1/2” 2-3/4” Imperial roll carriages are made in standard sizes for use on all makes of pneumatic, hydraulic Cradle No. and mechanical roll marking machines. Special carriages can be furnished in almost any 1412 38118 size to accommodate any solid 583 type roll or interchangeable holder. Cradle Specifications Range 1/4”to 1/2” diameter parts 3/8”to 1-1/8”diameter parts 5/8”to 3”diameter parts Roller Bearing Cradle Roll parts are held in these roller bearing tools to rotate on their own axis during the marking operation on hydraulic, pneumatic or mechanical machines.

Model PR-320 With Feed Built for a major fuse manufacturer, this Model PR-320-H roll marking machine comes complete with a centrifugal feed system, infeed track, rotary table and locating device to rollmark trademark and size information around the periphery of fuse caps. A storage hopper is provided to assure a steady stream of product to the unit. Production rate is over 2100 parts per hour. Cylinder Marking Equipment Model PR-320 Angle Mount Horizontal Model PR-320 Imperial engineering has designed a number of special fixtures to accommodate a wide variety of marking applications. These units...