Wellsaw 1316S-Auto - Manual (Page 10)

10
CUTTING FORCE CONTROL FEATURE
SYSTEM OVERVIEW
The Wellsaw 1316S-Auto is equipped with a Cutting Force
Control System. Unlike a conventional scissor type saw the
Cutting Force Control carefully maintains a constant sawing
force on the blade all the way through the cut even with
changing cross sections like in beams or pipes. Even at
aggressive sawing rates there is no danger of overfeeding.
This allows the saw to perform at rates that would not be
possible otherwise without risk of damage to the blade. This
feature, in combination with the fi ve horsepower motor gives
this machine the ability to cut heavier and tougher materials
than a conventional saw. And it runs confi dently while
unattended even at high performance levels.
 Is simple to adjust
 Produces straighter cuts
 Shortens cut time
 Provides longer blade life
 Is self monitoring
BASIC PARTS OF THE SYSTEM ARE:
 A hydraulic cylinder is used to raise and lower
(feed) the saw frame/head.
 A hydraulic pump is used to raise the head. This is
the same pump used to move the shuttle carriage.
 An air-over-oil system provides supplemental feed
pressure to the system.
 There is no counterbalance system needed for this
system.
THREE CONTROLS IN THE SYSTEM
 Feed Rate Valve on the control panel
 Cutting Force Valve on the Drive End Blade
Guide
 Downfeed Pressure Control Regulator on the
side of the machine.
Always be sure that the Cutting Force roller is resting
on top of the blade.
QUICK START INSTRUCTIONS
FEED RATE AND CUTTING FORCE
Locate the three controls
1. Air Pressure Regulator on the right side of the
machine. This is the second regulator after the primary
regulator
2. Cutting Force Valve on the Blade Guide
3. Feed Rate Control knob on Control Panel.
Before you begin the cut:
1. Adjust the Air Pressure Regulator to 10 psi. Pull the
knob down to adjust. Push up to lock.
2. Adjust the Cutting Force Valve to the desired force.
For mildsteel use 50 lbs as a starting point. Turn the
thimble at the bottom of the valve. Note the force on
the scale.
3. Move the Feed Rate Control knob to the zero position.
To begin the saw cut:
1. Press the Blade Start button. Hold in until the motor
runs. Note the blade speed on the display. Adjust if
needed.
2. If you are starting an Auto cycle press Auto
3. Press the Head Lower / Cycle Start button.
4. Slowly open the Feed Rate Control knob.
 The saw head will lower and begin the cut.
 The Cutting Force Valve regulates the force of the
blade on the part being cut.
 The Feed Rate Control knob limits the rate that
the saw head falls. This can also be used to hold
the saw head at the start of the saw cut during the
set-up.
The Cutting Force Valve is the primary control and the
Feed rate control is secondary.
CUTTING FORCE VALVE SERVICE
INSTRUCTIONS
It may become necessary to open and clean the Cutting
Force Valve. Indications would be:
 Irregular feed rate control
 Unusual fi nish on the cut part
 Unexplained damage to saw blade
 Very slow cutting rate
Disassembling the valve for inspection and cleaning
1. Lower saw frame to bottom of stroke. Turn off the
Master Switch on the Control Panel. Turn off or
disconnect air power to the saw.
2. Loosen the saw blade.
3. On the Cutting Force Valve fi nd the Push Rod
Assembly that fi ts between the Lever Arm (Part #
156266) and the valve body. Please refer to the
exploded view drawing.
4. While pushing down gently on the blade move the
bottom of the Push Rod Assembly off of the Lever
Arm. You can then lower the Push Rod Assembly. The
Spring (Part # 100136-011) will also fall out. Set these
items to the side.
5. Loosen the Cap (large hex nut, Part # 156256). Take
care that the Shell (Part # 156254) does not turn. Be
prepared to catch a small amount of oil with a shop
towel.