J&K Tool Company, Inc.
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JK824
PVC Screen
Slotting Machine
The JK824 is our largest slotting machine developed from years of research
and experience in the manufacturing of PVC slotting machines. The JK824 was designed with
a combination of all the innovative ideas we have developed, resulting in a machine proven to be
the most versatile, highly productive, and simple to setup and operate.
If your company is serious about producing high quality large
diameter PVC well screens,
this is the machine for the job.
J&K TOOL takes special pride in every tool and machine
we develop, and the JK824 is no exception to
the rule.
MACHINE DIMENSIONS
The main frame and slotting assembly is constructed of
4" x 4" square steel tube.
Main frame and indexer: 6' wide, 27' long
Main frame rail: 32" high
Indexer assembly: 56" high;
indexer shaft center line 49 inches from floor.
Traveling slotter assembly:
5' wide, 9' long, 7' high and 9' high when blower is mounted on top of
slotting assembly.
Floor space needed for this machine to operate: 10' wide, 28' long, 9'high.
Slotting Motors
The machine is equipped with two 10 HP 3500 RPM 3 phase motors used to drive slotter shafts.
15 hp motors are optional if the majority of your slotting is 16" and larger.
The slotter shaft is mounted to the motor plate by two bearings and connected to the driven pulley by
a three jaw drive coupling shown in above photo. This shaft system makes changing slot size a very simple and
fast operation, simply by removing four bearing bolts and replacing saw shaft assembly. The 3" timing belt drive
has proven to be a positive means of driving slotter shaft and has also increased bearing life.
Complete Slotting Shaft Assembly
Bearing-1"nut-Spacer-Saw-Spacer-Bearing-Drive Coupling- Bearing- 3" Belt and H Drive Pulley Shaft-Bearing
Slotting Saw Shafts
The slotter shaft is designed to hold a maximum of 11" of saws per motor, saw sizes 4", 5", 6".
This enables the machine to make a 22" long segment of slots every 5 to 10 seconds. Our tests have
shown us that the JK824 will slot a 20' length of 16" well casing in approximately 20 minutes with the
following specifications: 10 rows of .085" slots, 4" long, spaced 1/2" apart in a uniform and consistent manner.
Click on photos to enlarge.
15 hp slotting motor | Indexer and ID pipe holder | 12" pipe on center pipe support | Air gear motor used for manual travel
Pipe Indexer
The pipe is rotated or indexed by a 1 3/4 HP air motor gear drive system capable of over 1500 inch lbs
of torque. The indexing row stop is controlled by a proximity switch that senses pins on the indexer plate
directly mounted on the 1 1/4" indexer shaft. The indexer can be set for 2, 4, 6, 8, 10, 12, or 14 rows
of slots. Another efficiency feature is the air operated inside pipe holder. The pipe holders will clamp either
plain end or bell end. This unit is equipped with a safety switch not allowing start, if the inside
pipe holder is not engaged.
Center Pipe Support
Because slotter shafts and indexer shaft maintain the same center line 49" from the floor, the lower pipe
support must be raised and lowered to accommodate the different pipe diameters of 8" through 24".
This is achieved by the adjustable center pipe support mounted in the middle of the main frame rail.
The pipe support is raised and lowered by three vertical jacks connected together. Pipe to be slotted
is very easily moved up to ID pipe holder on indexer by series of nylon roller mounted on top of support.
Air Gear Motor for Manual Travel of Slotting Assembly
When the machine is operating in automatic mode, the slotting assembly will slot, then index the pipe
and travel in the direction towards the indexer end of main frame. At completion of screen the machine will
automatically stop. Slotting assembly must then be returned to opposite end of main frame for the next screen.
This operation is done with the air gear motor manual travel system. Switching for this system is located on
control panel and can be operated in both directions. Automatic stops located on both ends of machine.
Exhaust and Dust Collection
Machine is equipped with a 5 HP 3 phase direct drive dust collection blower. Vacuum hoses are directly
mounted to special built fixture surrounding saws on slotter shafts. The fixtures are designed to retract as
saws penetrate pipe allowing a high volume of air to move over saws for cooling and dust extraction.
Dust can then be blown through hose or duct into a collection hopper supplied by customer.
Air System
Automated mechanical movements are done by air cylinders, air motor, and air brakes. This method of
automation has proven to be dependable and low maintenance.
Air supply to the machine must maintain 140 PSI at 10 CFM.
Electrical System
The automatic system is controlled by an Omron CPM1 PLC, control input signals come from proximity
switches positioned throughout the machine. Output signals from PLC then go to 24 Volt DC air valves and
control relays. The machine requires one input power supply, either 240 Volt 3 phase or 440 Volt 3 phase.
Control circuit is transformed down to 110 Volt AC and 24 Volt DC.
30 Amp draw at 440 volt 3 phase, 55 Amp draw at 240 volt 3 phase
*All of our
machines are in the process of being upgraded to include
touch screen programming and a high torque closed loop stepper
gear motor system.
**Please email or call to receive current pricing. Thank you!!
Accessories:
| One right hand and one left hand slotting shaft required. | |
| 1" x 1 1/4" Slotting Saw Shaft JK824 | $ 140.00 |
| 3/4" x 1" Slotting Saw Shaft JK824 | 140.00 |
| 1" Driven Pulley Shaft with 3" H timing pulley | 65.00 |
| 3/4" Driven Pulley Shaft with 3" H timing pulley | 55.00 |
| 3/4" Bearings | 12.00 |
| 3/4" Bearing Strap and Bolts | 3.00 |
| 1" Pillow Block Bearing | 28.00 |
| 3" Timing Belt 530H300 | 65.00 |
|
Air Operated Inside Pipe Holders Size # 3. 8" through 12" |
425.00 |
|
Air Operated Inside Pipe Holders Size # 4. 12" through 24" |
515.00 |
| Saw Spacers: | |
| 2" x 1/2" x 1" or 1 1/4" hole | 5.00 |
| 2 1/2" x 1/2" x 1" or 1 1/4" hole | 5.50 |
| 2" x 1" x 1" or 1 1/4" hole | 6.00 |
|
2 1/2" x 1" x 1" or 1 1/4" hole |
6.00 |
Size# 3. Size# 4.
J&K Tool Company, Inc.
6385 County Road 7 ~ Wheaton, MN 56296 USA
tel:
320 563 4967 fax: 320 563 8051
e-mail:
sales@jktool.com
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