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Okamoto 8-20 ST Automatic Surface Grinder

Up for sale is this Okamoto 8-20 ST hydraulic automatic surface grinder. This grinder is very configurable & adjustable and has a large assortment of automatic cycles that it is capable of performing. This machine is wired for 230V 3 phase power but can be wired the accept 460V 3 phase. This has an 8″ X 20″ electromagnetic chuck on it. The machine comes with one wheel hub and the maximum wheel size is 8″ diameter by 1″ width and 1.25″ hole. This machine has the original paint with the exception of the sheet metal guarding which was repainted by the previous owner. This includes a coolant pump and sump but the condition of the pump is unknown as it was not being used prior. I have powered this machine up and have cycled it for several hours without issue. This was removed from a facility that was using it every day for tool and die type work. This has a 2HP main spindle motor, a 1HP hydraulic pump motor, and a 0.5HP vertical rapid feed motor. Weight is approx. 3300 lbs. and floor space requirement is roughly 93.1″ X 65.4″ X 68″


This machine is under power and available to test prior to purchase.

All sales are “As-Is” FOB New Berlin, WI 53151 freight collect (buyer is responsible for all freight costs but we are happy to assist in making arrangements). Machine is available for inspection. Machine can be crated and shipped internationally. Payment to be made by cash, check or wire transfer

I will help in any way I can to assist in transportation of this machine. Shipping weight is approx. 3300 pounds and shipping dimensions are roughly 96″ X 68″ X 70″

SOLD

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2003 Okamoto Linear 6-18 Surface Grinder

Up for sale is this 2003 Okamoto Linear 6-18B 6″ X 18″ surface grinder. This is in nearly unused condition and has to be seen to be believed. This came from a technical college that closed its shop program. The spindle is whisper quiet on this machine and the paint is in amazing condition. This still retains all the original hand scraping on the dual V ways of the saddle. This is a dual voltage machine and can be set up on 230V or 460V 3 phase (wired for 230V currently). This is equipped with a Kanetsu 6″ X 18″ magnetic chuck. In addition, this has the coolant package with additional guarding and coolant tank. Also included are the 4 cast iron leveling pads with threaded adjusters. To purchase new this machine would cost over $18,000!

L6-18B Base Grinder                                       $15,800
Coolant package with splash guard             $1,950
Kanetsu KMT-A chuck                                    $1,170


This machine is equipped with an automatic lubrication system so there is no need to pump a lube pump. This features a hand scraped dual V way saddle, double walled column construction and heavily ribbed Meehanite castings for added rigidity. This is a roller way table that is belt driven for extra smooth operation.

I will palletize and ship this machine freight, please ask for a quote. Local pick-up is available as well. The grinder is powered up and available to test in my shop at any time. In person Inspections are welcome. This is available for immediate sale.

All sales are “As-Is” FOB New Berlin, WI 53151 freight collect (buyer is responsible for all freight costs but we are happy to assist in making arrangements). Payment to be made by cash, check or wire transfer.

I will help in any way I can to assist in transportation of this machine. Shipping weight is approx. 2200 pounds and shipping dimensions are roughly 70″ X 70″ X 70″. Forklift is on-site and can load this onto a truck or trailer.

Machine Features

• Construction Design— heavily ribbed Meehanite cast construction provides superior rigidity for vivration damping and optimum grinding accuracy. Designed for long-term, trouble-free performance.

• Extra-large Handwheels— conveniently located to optimize operator control, convenience and comfort. Zero-setting slip rings for vertical and cross feed hand wheels.

• Smooth Table Movement— moves easily through reliable belt drive table and linear ball bearing system. Cushioned table stops absorb impact when work piece limits are established.

• Centralized Controls – — for ease of operation, convenience and safety.

• Double-Walled Column Construction… Precision guideways provide the strength

• Precision Grinding Spindle—no-maintenance “ lubed for life” cartridge type grinding wheel spindle standard. Directly coupled to dynamically balanced, fan cooled motor. Universal taper on spindle nose allows for interchange of wheel adapters with other tool room grinders.

• Automatic Lubrication — All Linear B Models utilize a proven Automatic Lubrication System. Lubrication oil is pumped to an oil reservoir located in the column and all guideway surfaces and positioning screws.

Machine Specifications :

Capacity:

Maximum Longitudinal Travel 20.87 inch

Maximum Cross Travel 8.27 inch

Maximum Distance under Wheel (8.0” to Table Surface) 14.27 inch

Magnetic Chuck Size (WxL) 6 x 18 inch

Table:

Surface (Width x Length) 6.2 x 18.9 inch.

Hand Feed per Revolution 5.12inch

Crossfeed:

Crossfeed Per Revolution 0.100 inch

Handfeed Dial Graduation 0.001 inch

Wheelhead:

Downfeed Per Revolution 0.050 inch

Handfeed Dial Graduation 0.0001 inch

Grinding Wheel Size (DxWxB) 8.0 x 1.0 x 1.25 inch

Motors:

Grinding Wheel Spindle 2 hp

Power Supply: 230/460V, 3PH. 60HZ. 1.8 KVA

Desired Power Supply including

(Electro-Magnetic Chuck & Coolant System)

Floor Space ( L x W x H ) : 77 x 56 x 68 inch

Net Weight: 2,070 lbs.

SOLD

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2004 Okamoto Linear 618B Surface Grinder

Up for sale is this 2004 Okamoto Linear 6-18B 6″ X 18″ surface grinder. This is in very nice condition and everything functions as it should. The spindle is whisper quiet on this machine and the paint is in great condition. This still retains all the original hand scraping on the dual V ways of the saddle. This is a dual voltage machine and can be set up on 230V or 460V 3 phase (wired for 230V currently). This is equipped with a Walker 6″ X 18″ LBP fine pole electromagnetic chuck and Walker variable strength chuck controller. In addition, this has the Micro Vertical Feed option for down feed increments of 0.00005″. Also included are the 4 cast iron leveling pads with threaded adjusters. To purchase new this machine would cost over $20,500!

L6-18B Base Grinder             $15,800
Micro Vertical Feed                $1,950
Walker LBP Chuck                 $2,000
Walker Chuck Controller     $1,113

This machine is equipped with an automatic lubrication system so no need to pump a lube pump. This features a hand scraped dual V way saddle, double walled column construction and heavily ribbed Meehanite castings for added rigidity. This is a roller way table that is belt driven for extra smooth operation.

Machine Features

• Construction Design— heavily ribbed Meehanite cast construction provides superior rigidity for vivration damping and optimum grinding accuracy. Designed for long-term, trouble-free performance.

• Extra-large Handwheels— conveniently located to optimize operator control, convenience and comfort. Zero-setting slip rings for vertical and cross feed hand wheels.

• Smooth Table Movement— moves easily through reliable belt drive table and linear ball bearing system. Cushioned table stops absorb impact when work piece limits are established.

• Centralized Controls – — for ease of operation, convenience and safety.

• Double-Walled Column Construction… Precision guideways provide the strength

• Precision Grinding Spindle—no-maintenance “ lubed for life” cartridge type grinding wheel spindle standard. Directly coupled to dynamically balanced, fan cooled motor. Universal taper on spindle nose allows for interchange of wheel adapters with other tool room grinders.

• Automatic Lubrication — All Linear B Models utilize a proven Automatic Lubrication System. Lubrication oil is pumped to an oil reservoir located in the column and all guideway surfaces and positioning screws.

Machine Specifications :

Capacity:

Maximum Longitudinal Travel 20.87 inch

Maximum Cross Travel 8.27 inch

Maximum Distance under Wheel (8.0” to Table Surface) 14.27 inch

Magnetic Chuck Size (WxL) 6 x 18 inch

Table:

Surface (Width x Length) 6.2 x 18.9 inch.

Hand Feed per Revolution 5.12inch

Crossfeed:

Crossfeed Per Revolution 0.100 inch

Handfeed Dial Graduation 0.001 inch

Wheelhead:

Downfeed Per Revolution 0.050 inch

Handfeed Dial Graduation 0.0001 inch

Grinding Wheel Size (DxWxB) 8.0 x 1.0 x 1.25 inch

Motor:

Grinding Wheel Spindle 2 hp

Power Supply: 230/460V, 3PH. 60HZ. 1.8 KVA

Desired Power Supply including

(Electro-Magnetic Chuck & Coolant System)

Floor Space ( L x W x H ) : 77 x 56 x 68 inch

Net Weight: 2,070 lbs.

This machine is FOB New Berlin, Wisconsin. The buyer is responsible for all freight and I will assist in any way that I can. I will palletize and ship this machine freight, please ask for a quote. Local pick-up is available as well. The grinder is powered up and available to test in my shop at any time. In person Inspections are welcome. This is available for immediate sale.

SOLD

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1995 Okamoto Linear 618 Surface Grinder

Up for sale is this 1995 Okamoto Linear 618 manual surface grinder. This is a 6″ X 18″ model that has a maximum capacity of 7.5″ X 18.0″. The maximum table travel is 8″ X 21″. This machine is equipped with a Walker electromagnetic LBP fine pole chuck as well as a Walker variable strength chuck control. This also has a factory installed Sony dual axis DRO model LH31A. The glass scales are high precision Sony Magnescale SR-180’s. This machine has a one shot lubrication pump for easy lubrication all around. This machine has a 2HP motor that is dual voltage and can be run on 230V or 460V. This machine has the additional coolant guard and nozzle. Included with this machine is a coolant pump/sump (Graymills brand) as well as all the cast iron machine feet.

The backlash in the cross feed dial is 0.003″-0.004″ throughout the entire length of travel. Much of the original hand flaking is still visible on both V ways as well which indicates low wear.

This is a very heavy duty and rigid roller ball way surface grinder (2020 lbs) and is one of the best made. This machine is made in Japan. To purchase a machine like this new would cost over $25,000. There is a good reason many of the best tool rooms choose Okamoto machines.

This machine is powered up and available for inspection. 

All sales are “As-Is” FOB New Berlin, WI 53151 freight collect (buyer is responsible for all freight costs but we are happy to assist in making arrangements). Machine is under power and available for inspection.

I will help in any way I can to assist in transportation of this machine. Shipping weight is approx. 2200 pounds and shipping dimensions are roughly 70″ X 70″ X 70″. Forklift is on-site and can load this onto a truck or trailer.
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Okamoto PFG-612 Linear Surface Grinder

Up for sale is this Okamoto Linear PFG-612 manual surface grinder. This is a 6″ X 12″ model that has a maximum capacity of 7.5″ X 14.0″. The maximum table travel is 8″ X 15″. The machine is equipped with a Walker electromagnetic LBP fine pole chuck as well as a Walker variable strength chuck control. Grinder also has a Sokki (made in Japan) single axis glass scale DRO. This machine has a one shot lubrication pump for easy lubrication all around. This machine has a 2HP motor that is dual voltage and can be run on 230V or 460V.This is a very heavy duty and rigid roller ball way surface grinder (1700 lbs) and is one of the best made. This machine is made in Japan. To purchase a machine like this new would cost over $20,000.

There is a good reason many of the best tool rooms choose Okamoto machines.

This machine is powered up and available for inspection. 

All sales are “As-Is” FOB New Berlin, WI 53151 freight collect (buyer is responsible for all freight costs but we are happy to assist in making arrangements). Machine is under power and available for inspection. Payment to be made by cash, check or wire transfer.
I will help in any way I can to assist in transportation of this machine. Shipping weight is approx. 2000 pounds and shipping dimensions are roughly 70″ X 70″ X 70″. Forklift is on-site and can load this onto a truck or trailer.
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2000 Okamoto 6-18 DX Surface Grinder

VIDEO LINK CLICK HERE!

Up for sale is this very nice Okamoto 6-18 DX3 fully automatic surface grinder. This is a model year 2000 machine and is in very nice, original condition. I have this machine powered and available for inspection at my shop and have used it briefly and all the functions work as they should. Being a DX model this has all the same desirable autosizing features of much larger Okamoto machines. You are able to set removal quantities and then walk away from the machine as it grinds. Once the desired thickness has been removed the machine will automatically spark out and pause. This grinder has a DRO on the spindle height as well as the optional cross feed DRO for more precise work. This comes equipped with a Walker fine pole 6″ X 18″ electromagnetic chuck which is fully adjustable via the machine control panel. Also, this machine is equipped with the coolant splash guard, coolant tank, and nozzle.

I have a video of this machine in operation available on my website. Included is an operation manual with wiring diagram, diamond dresser and holder, hub puller, wrench, and original Okamoto squeegee.

The base machine is over $29,000 new from Okamoto with the cross feed DRO being an additional $4600 option plus mag chuck, installation and coolant package! These are are some of the best surface grinders in the world, and are a toolroom standard.

This is a dual voltage machine that is currently wired for 230V but can be set up for 460V 3 phase power.

VIDEO LINK CLICK HERE!

SOLD

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2000 Okamoto Linear 6-12 B

Up for sale is this very nice Okamoto Linear L-612B 6″ X 12″ hand feed surface grinder. This is equipped with a Sony DRO, automatic lubrication system, & magnetic chuck. This is in very nice condition and has a whisper quiet spindle. The table rides on linear ball bearings and is belt driven for ultra smooth action. All the handles and movements are very smooth on this grinder. This is a year 2000 machine. This has all original paint as well and has not been repainted in any way. Unit comes with all 4 leveling pads.

These machines are over $18,000 new from Okamoto are are some of the best surface grinders in the world.

The spindle motor can be wired for 230V or 460V 3 phase power.

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Okamoto L818B

Up for sale is this very nice and highly optioned 2013 Okamoto Linear L818B 8″ X 18″ hand feed surface grinder. This size machine is no longer available from Okamoto and from what Okamoto says they did not sell many of them due to their high cost. Okamoto currently only sells a 6″ X 18″ version. This was purchased new by a biomedical company in California (Theranos) and has seen very little use over the course of its life. The paint is all original and in great shape. This really is a like new machine. These machines feature smooth table movement through a reliable belt drive, have a recirculating automatic lubrication system, heavy duty ribbed meehanite castings, no maintenance, lubed for life, cartridge type spindle, and are designed for long term trouble free performance.

This grinder is equipped with…

-Sony Magnescale DRO on both axis
-Okamoto coolant & dust suction unit
-Coolant system with splash guard
-Micro-feeder for cross movement
-Micro-feeder for vertical movement
-Work Light
-O.S. Walker LBP 8″X18″ electro magnetic chuck
-O.S. Walker variable chuck controller

A 6″X18″ machine equipped with these options is over $30,000 new from Okamoto and is one of the best surface grinders in the world. This one is in excellent condition and is at a fraction of the new price!

The machine can be wired for 230V or 460V 3 phase power.

All sales are “As-Is” FOB New Berlin, WI 53151 freight collect (buyer is responsible for all freight costs but we are happy to assist in making arrangements). Machine is available for inspection. Machine can be crated and shipped internationally. Payment to be made by cash, check or wire transfer

SOLD

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Okamoto Linear PFG-612 6″ X 12″ Surface Grinder

Up for sale is this very nice Okamoto Linear PFG-612 6″ X 12″ hand feed surface grinder. This is equipped with a factory installed Sony DRO, one shot lube pump, Walker fine pole electromagnetic chuck, and coolant ready guarding. This is in very nice condition and has a whisper quiet spindle. All the handles and movements are very smooth on this grinder. The saddle has been removed for cleaning and the original scraping is still visible on the Turcite as well as the cast iron double V section. This has all original paint as well and has not been repainted. All the oil metering units have been cleaned and are fully functioning. The Walker chuck controller has variable, full, and release holding modes. Unit also comes with a factory manual and the 3 factory leveling pads.

These machines are over $20,000 new from Okamoto are are some of the best surface grinders in the world.

The spindle motor can be wired for 230V or 460V 3 phase power.

All sales are “As-Is” FOB New Berlin, WI 53151 freight collect (buyer is responsible for all freight costs but we are happy to assist in making arrangements). Machine is available for inspection. Machine can be crated and shipped internationally. Payment to be made by cash, check or wire transfer