6" RPA-8 Automatic Multi Spindle Lathes
We have in stock National Acme 6" RPA-8 automatic screw machines for sale, and can rebuild, retool, and/or retrofit any of our used Acme Gridley screw machines to specifically meet your needs. JEM Automatics guarantees the performance of all Acme Gridley screw machines we rebuild. Optionally, turnkey setup services can be provided, where we would supply the machine fully tooled and already proven to produce your part automatically and within tolerance before it is delivered to your plant.
The Acme Gridley 6" RPA8 screw machine is an 8 spindle automatic lathe hydraulic chucker machine. Standard multispindle chucking machine specifications and capacities shown are for reference only, as a custom retrofit by JEM may improve upon or modify these specifications. Many of the National Acme standard equipment options and attachments available to configure an Acme Gridley 6" RPA8 screw machine are listed here. Please use our quick RFQ form below and we will review your specific requirements and follow up with a machinery quotation and/or recommendation for your consideration.
Acme Gridley 6" RPA-8 Screw Machine Equipment and Attachments
(equipped based on your tooling setup)
Base Component Options:
- Lower Cross Slides - 3rd & 4th position
- Upper Cross Slides - 7th & 8th position
- Intermediate Cross Slide - 6th Position Shelf Slide
- End Tool Slide Drill Holders
- Specify - 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, or 8th position
- One Set of Cams and Gears as mounted
- One Set of National Acme style Splash Guards
- Optional JEM Custom Designed High Quality Guarding
- Chip Conveyor
- Coolant Pump
- Hydraulic System
- Main Drive Motor and Associated Push Button Controls
- Specify Line Voltage - 240 or 480 VAC 3-phase standard
Available 6" RPA-8 Attachment Options:
- Threading / Tapping Attachment in 7th or 8th Position
- Air Trip Universal Threading Attachment, or Plain Threading Attachment
- Optional Upgrade to JEM Linear Sensor 0.001" Tapping Control
- Accelerated Reaming Attachment in 7th or 8th Position
- High Speed Drilling Attachment
Other Possible Upgrades & Screw Machine Retrofits:
- Water Soluble Coolant & Spindle Carrier Seal Retrofit
- TechControl Electrical Upgrade Package for Mechanical Machines
- TechDrive Servo Machine Conversion with FANUC CNC Controls
- Single Axis Servo Cross Slides
- Compound 2-Axis CNC Slides
- Automatic Grease or Lube System for Maintenance Points
Sample pictures of Acme Gridley 6" RPA-8 screw machine rebuild projects by JEM:
