Pneumatic Bar Feeder


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About the Sherline Pneumatic Bar Feeder

Our bar feeder system was designed to work with our Accu-Pro Turn Ball Screw Chucker Lathe, our standard Chucker Lathe, and our Ball Screw Lathe with the 3C Headstock in conjunction with our 3C Lever Collet Closer. The addition of the bar feeder to our chucker lathe turns our CNC chucker lathe into a fully automated system.

The bar feeder is designed to hold a 3’ (91cm) length of stock (which is the standard for today’s bar feeders) and a maximum stock diameter of 1/2″ (13mm). This stock length will also allow the entire machine and bar feeder to be mounted on a 6’ (182cm) long work surface.

Both the bar feeder and the activation cylinder* are pneumatic. This requires the end user to have an air supply that will deliver a maximum of 70 PSI in order to use the bar feeder system (Sherline does not offer an air supply).
*NOTE: The Activation Cylinder Assembly (P/N 8815) can be purchased separately for customers who want to open and close the collet pneumatically via G-code without the bar feeder.

The bar feeder is streamlined and easy to use. Full instructions come with the bar feeder, which covers the assembly, mounting, and operation of the bar feeder.

Made with Quality Materials

The bar feeder is made with high-quality materials and components, making it sturdy and durable. The bar feeder parts are made from A2 steel, 12L14 steel, 1018 steel, and 6061 aluminum. All of the parts are made in the USA.

Using the Bar Feeder with the MASSO Touch Controller

If you are using the bar feeder with our MASSO Touch controller, you must purchase the additional relay and electrical components (P/N 88410) to connect the bar feeder to the control. If you purchase the bar feeder when you order your machine, we will install the relay assembly in the MASSO Touch control. If you already own a machine that has a MASSO “G3” board, you can purchase the relay assembly and connect it (we have instructions for this). If you are buying the bar feeder and connecting it to a different control, you will need to contact your control manufacturer for wiring details.

Before You Purchase the Sherline Pneumatic Bar Feeder

We strongly suggest you contact us with your machine and control information before purchasing our bar feeder. Then we can ensure you order the correct bar feeder components for your specific needs.

The improper use of machine tools and their accessories can result in serious injury. Before using this tool, thoroughly read the instructions and make sure you understand its proper and safe use.


Always wear safety glasses when operating machine tools.

Download PDF 8825 Pneumatic Bar Feeder Instructions

Instructions PDF Download

Download PDF 8815 Pneumatic Cylinder Instructions

Instructions PDF Download

Download PDF Bar Feeder Base Dimensions for Chucker Lathe

Instructions PDF Download

Download PDF Bar Feeder Base Dimensions for Ball Screw Lathe

Instructions PDF Download

Introducing the Sherline Pneumatic Bar Feeder

Running a Part Program with the Pneumatic Bar Feeder

P/N 8825 Pneumatic Bar Feeder
Part No. Description Quantity
21278 1/4″ Washer 4
61120 1/4-20 x 1″ SHCS 4
8805 Bar Feeder Air Regulator/Shut-Off/Bleeder Valve Assembly 1
8806 Bar Feeder Air-Manifold Mount Assembly 1
8826 Bar Feeder Front-Mount Assembly 1
88059 Rear-Mount Ball Joint 1
8830 Bar Feeder Stock Guides (1/8″-3/16″, 1/4″-5/16″, 5/16″-3/8″, 3-5 mm, & 6-8 mm) 5
88251 Bar Feeder Tube 1
88253 Alignment Collar 1
88256 Bar Feeder Nose Cap 1
88257 Stock Pusher 1
88258 O-ring 2
88261 Table Mounting Flange 2
88270 Locking Nut 6
88271 3/4-16 Threaded Adjustment Rod (Chucker Lathe only) 2
*88272 3/4-16 Threaded Adjustment Rod (Ball Screw Lathe only) 2
88274 Connecting Rod (Chucker Lathe only) 2
*88276 Connecting Rod (Ball Screw Lathe only) 2
88277 3C Spindle Bar-Feeder Alignment Part (Chucker Lathe only) 1
*88278 3C Spindle Bar-Feeder Alignment Part (Ball Screw Lathe only) 1
88309 Extension pusher 1
88323 Optional Bar Feeder Base 1
883231 Optional Bar Feeder Base w/optional black powder coating 1
88051 1/4″ Air Line, 3′-8″ long 1

*NOTE: Ball screw lathe parts are not available at this time. If you are interested in a bar feeder for a ball screw lathe, please contact Sherline.

P/N 8815 Pneumatic Bar Feeder Activation Cylinder
Part No. Description Quantity
12060 #8 Washer 2
40670 10-32 x 1/2″ SHCS 2
45014 5-40 x 3/8″ Button Head socket cap screw 2
88040 Air cylinder 1
88041 Air cylinder foot brackets (R & F) w/4 SS SHCS 1
88042 Air directional control valve 1
88043 5/32″ Connector fitting 2
88044 1/4″ Connector fitting 1
88045 Heim joint 1
88046 1/4-28 SS threaded rod 1
88047 1/4-28 Jam nut 2
88049 8-32 x 1-1/4″ SHCS 2
88050 Flow control valve 2
88052 5/32″ (4 mm) air line (6′ length) 2
88056 Air cylinder mounting plate 1
88058 Air cylinder cover 1
88060 1/4-20 Phillips head screw 3
88279 LCC Stud 1

Click the P/Ns below to download a zipped version of the IGS 3D CAD files. You will need to extract the zip file before viewing the IGS file.
8825 Pneumatic Bar Feeder 3D IGS Model
You need an IGS viewer to view .igs files. CLICK HERE to download a FREE IGS viewer.