Kinematic Matrix 2360 User manual

PROGRAMMABLE SHEAR
with Touch Screen Control
INSTALLATION
OPERATION
MAINTENANCE
TROUBLESHOOTING
USER MANUAL
Manual # - 12-092600
Revision - A
Drawing # - 01-092600 (Standard)
01-092620 (Stretch)
Original Instructions in English

12-092600 A
Revision A
September 2020
Matrix™ 2360 Programmable Shear User Manual
Proprietary Notice and Liability Disclaimer
Kinematic reserves protectable proprietary rights, including patent rights, rights to
devices originated by us which are part of the equipment, and rights to designs or
data proposed or furnished. We disclaim any warranty against inadvertent violation
of existing patent rights in the equipment furnished.
All drawings, designs, specifications, inventions, devices, processes, provided in this
document will remain the property of Kinematic and will be kept confidential by
Customer. Customer shall have no claim to, license or ownership of, any intellectual
property provided to them by Kinematic. This intellectual property and/or
confidential information may not be copied, disclosed to others, or used for the
purpose of component fabrication without the prior written consent of Kinematic
Automation. Customer agrees to return all copies of intellectual property to Seller
upon receipt of a written request for their return from the Seller.
To allow for design and specification improvements, the information in this document
is subject to change at any time, without notice.
is a trademark of Kinematic Automation, Inc.
Other trademarks, service marks, and trade names may be used in these pages to
refer to the entities claiming those marks and/or names. Kinematic Automation, Inc.
disclaims any proprietary interest in the trademarks owned by others and makes no
representation of any association with the owners of said trademarks.
Documentation is provided "as is" and all express or implied conditions,
representations and warranties, including any implied warranty of merchantability,
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extent that such disclaimers are held to be legally invalid.
RESTRICTED RIGHTS: Use, duplication, or disclosure by the U.S. Government is
subject to restrictions of FAR 52.22714(g)(2)(6/87) and FAR 52.227-19(6/87), or
DFAR 252.227-7015(b)(6/95) and DFAR 227.7202-3(a).
© 2002-2020 by Kinematic Automation, Inc.
All rights reserved.

12-092600 A
Revision History
Document Part Number
REVIEW
APPROVED
12-092600
Cognizant
Mechanical
Engineer
Cognizant
Controls
Engineer
Manufacturing
Engineer
Quality
Control
Document
Approval
Document Title
Matrix™ 2360 Programmable Shear
User Manual
REV.
DESCRIPTION
Init.
Init.
Init.
Init.
Init.
Date
A
Based on 12-090000 B
•Updated for software 14-
090035-02 C
•Revised Feature Sensing
screen
•Added back up move
•Added replacement of the
optional feature registration
sensor
•Changed blade cover safety
switch
•Updated minimum strip width
N/A
N/A
N/A
On
File
On
File
9/15/
2020

12-092600 A i
Table of Contents
1INTRODUCTION........................................................................ 1
1.1 FUNCTION .................................................................................................1
1.2 FEATURES.................................................................................................1
1.3 OPTIONS ...................................................................................................2
1.4 SPECIFICATIONS ........................................................................................3
1.5 CE MARK..................................................................................................4
1.6 ORIENTATION.............................................................................................4
1.7 GLOSSARY ................................................................................................4
2GENERAL.................................................................................. 5
2.1 SPECIAL SYMBOLS.....................................................................................6
3SAFETY..................................................................................... 7
3.1 SAFETY SYSTEMS ......................................................................................8
3.1.1 EPO (Emergency Power Off) Switch...................................................8
3.1.2 Blade Cover Safety Interlock...............................................................9
3.1.3 Chute Interlock....................................................................................9
3.2 LOCK OUT/TAG OUT PROCEDURES .............................................................9
3.2.1 Lockout/Tag Out Steps .....................................................................10
3.2.2 Restoring to Service..........................................................................10
3.3 VISION &HEARING SAFETY.......................................................................11
3.4 OTHER PERSONAL PROTECTION EQUIPMENT REQUIREMENTS .....................11
3.5 RESIDUAL RISKS......................................................................................12
3.6 MISUSE...................................................................................................13
3.7 GENERAL SAFETY NOTES.........................................................................14
4INSTALLATION....................................................................... 15
4.1 MOVING THE MACHINE .............................................................................15
4.2 STORAGE ................................................................................................15
4.3 ELECTRICAL SUPPLY................................................................................16
4.3.1 Power Entry Module..........................................................................16
4.4 FOOT SWITCH CONNECTOR ......................................................................17
4.5 DECOMMISSIONING/DISPOSAL...................................................................17
5OPERATION............................................................................ 18
5.1 GENERAL MODULE DESCRIPTION ..............................................................18
5.1.1 Guide Rails .......................................................................................18
5.1.2 Rollers...............................................................................................18
5.1.3 Die Block and Blade Module.............................................................19
5.1.4 Output Chute.....................................................................................19
5.1.5 Static Control Bar..............................................................................20

Table of Contents
ii 12-092600 A
5.1.6 Optional Components....................................................................... 20
5.2 TURNING THE MACHINE ON...................................................................... 21
5.3 SYSTEM CONTROL DESCRIPTION.............................................................. 22
5.3.1 Touch Screen Control ...................................................................... 23
5.3.2 Main Control Screen......................................................................... 24
5.3.3 Set Units Screen .............................................................................. 25
5.3.4 Options Screen................................................................................. 27
5.3.5 Options Screen (with Registration Option) ....................................... 28
5.3.6 Run Screen ...................................................................................... 28
5.3.7 Alert Screens.................................................................................... 29
5.4 SET-UP FOR NEW MATERIAL .................................................................... 30
5.4.1 Guide Rails....................................................................................... 30
5.4.2 Roller Tension.................................................................................. 31
5.4.3 Offset Adjustment............................................................................. 32
5.5 SUMMARY OF PROCEDURE FOR CUTTING STRIPS....................................... 34
6INSTALLATION OF OPTIONAL FEATURES ..........................37
6.1 OPTIONAL SUPPORT SPINDLE .................................................................. 37
6.1.1 Installing the Optional Support Spindle ............................................ 37
6.2 OPTIONAL AUTOMATIC ROLL FEED ........................................................... 39
6.2.1 Installing the Automatic Roll Feed.................................................... 40
6.2.2 Setting the Loop Sensor Controls..................................................... 46
6.3 OPTIONAL FEATURE REGISTRATION.......................................................... 47
6.3.1 Micrometer Adjustments................................................................... 48
6.3.2 Set Registration Sensor Amplifier Settings....................................... 50
6.3.3 Testing and Adjusting the Registration Feature for Speed............... 50
6.3.4 Leading Edge Alignment Pointer...................................................... 52
6.4 OPTIONAL OUTPUT CARD GUIDE .............................................................. 53
6.5OPTIONAL MAGNETIC EXIT GUIDE............................................................. 53
7MAINTENANCE .......................................................................54
7.1 FACTORY SEALED SETTINGS.................................................................... 54
7.2 PREVENTIVE MAINTENANCE ..................................................................... 54
7.3 BLADE REMOVAL..................................................................................... 56
7.4 CLEANING THE BLADE.............................................................................. 60
7.5 SHARPENING THE GUILLOTINE BLADE ....................................................... 60
7.5.1 Assembling the Fixture & Blade ....................................................... 61
7.5.2 Blade Specifications......................................................................... 62
7.5.3 Sharpening Process......................................................................... 62
7.6 REMOVAL OF THE DIE BLOCK ................................................................... 66
7.7 CLEANING THE DIE BLOCK ....................................................................... 67
7.8 LUBRICATING THE DIE BLOCK................................................................... 68
7.9 REINSTALLING THE DIE BLOCK ................................................................. 69
7.10 LUBRICATING AND REINSTALLING THE BLADE............................................. 69
7.11 BLADE DRIVE BELT,ROLLER &BUSHING REPLACEMENT ............................ 71

12-092600 A iii
7.11.1 Replacing the Blade Drive Belt..........................................................71
7.11.2 Replacing the Rollers........................................................................72
7.12 BLADE POSITION SENSORS.......................................................................76
7.12.1 Replacing a Blade Sensor.................................................................76
7.12.2 Adjust Sensor Clearance ..................................................................77
7.13 STATIC CONTROL BAR REPLACEMENT.......................................................78
7.14 OPTIONAL FEATURE REGISTRATION SENSOR REPLACEMENT.......................79
7.14.1 Adjusting Feature Registration Sensor Height ..................................80
7.14.2 Adjusting Feature Sensor Amplifier...................................................80
7.15 HMI OR PLC REPLACEMENT.....................................................................81
7.16 CONTROL PANEL SWITCH REPLACEMENT...................................................82
7.17 TROUBLESHOOTING..................................................................................83
8SPARE PARTS, DRAWINGS AND SCEHEMATICS............... 87
8.1 SPARE PARTS LIST ..................................................................................87
8.2 BILL OF MATERIALS..................................................................................87
8.3 ASSEMBLY DRAWINGS &SCHEMATICS.......................................................87
9WARRANTY ............................................................................ 88
9.1 CONSUMABLE WEAR PARTS AND BLADE MAINTENANCE ..............................88
9.2 LIMITATION OF LIABILITY ...........................................................................88
10 SERVICE ................................................................................. 89
10.1 TECHNICAL SUPPORT...............................................................................89
10.2 HOURS OF OPERATION.............................................................................89
10.3 CONTACT INFORMATION ...........................................................................89
11 INDEX...................................................................................... 90
12 YOUR NOTES.......................................................................... 97
13 DOCUMENTATION SURVEY.................................................. 98

Matrix2360 Programmable Shear User Manual - Section 1
12-092600 A 1
1 INTRODUCTION
Matrix™2360 Programmable Shear
A universal, state-of-the-art cutting tool for
the conversion of web or card stock to
strips.
1.1 Function
Programmable for strip length in inches or metric units
Automatic mode selection based on strip length:
▪Strip Mode: for strips
1
between 0.8 mm to 19.00 mm (0.03” to .75”)
▪Card Mode: for card lengths between 19.01 to 609 mm (0.76” to 24.0”)
Strip length is cut to close tolerances
Cuts 360 strips per minute in strip mode
2
Programmable for quantity of strips from 1 to 9,999
1.2 Features
Standard 101.6 mm (4”) guillotine blade or optional 152.4 mm (6”) blade
User-settable 120/220 volt operation
Touch Screen Operator Interface and computer control
Batch-start (CYCLE) and drive roller movement (JOG) pushbuttons
Hardened tool-steel guillotine blade
Precision pinch-drive web feed system
1
Minimum strip width is dependent on material being cut.
2
If feature registration is used, the maximum speed will be reduced.

Matrix2360 Programmable Shear User Manual - Section 1
2 12-092600 A
Optional back-up move to mitigate delamination
DC guillotine blade drive motor for quiet action and minimum vibration
Static electricity prevention
Material width setting changed easily without tools
Built-in operator safety features:
▪Interlocked cover over guillotine blade and chute
▪EPO (Emergency Power Off) switch
▪Chute Interlock
▪UL & CE approved wiring methods and components
Built-in testing features:
▪Feed web while not operating the shear (JOG Button)
▪Run the shear while not feeding web (CYCLE BLADE on OPTIONS
screen)
1.3 Options
Refer to Section 5.1.6 for details on these optional features.
Powered Roll Feed Module with Free Loop Sensor
Roll Support Spindle
Feature Registration for cuts based on a material feature
Reject Mark Detection with customized programming
Output Card Guide for guiding long strips or cards out over the chute.
Stretch model (The wide blade fits only on the Matrix™ 2360S model. The
entire machine is larger to accommodate the blade.)
Magnetic Exit Guide
Blade support fixture for accurately sharpening a 2360 blade. See
Section 7.5.1.

Matrix2360 Programmable Shear User Manual - Section 1
12-092600 A 3
1.4 Specifications
•Throughput
3
..................................up to 360 strips per minute in strip mode
•Strip/Card Length:
Strip Mode
4
......................................0.8 mm to 19.00 mm (0.03” to .75”)
Card Mode...................................19.01 mm to 609.00 mm (0.76” to 24”)
•Cut Tolerance:
Strip Mode....................................................................0.10 mm (0.004”)
Card Mode....................................................................1.52 mm (0.060”)
•Width of Material.........................min 19.05 mm (0.75”), max 101.6 mm (4")
Stretch model ......................min 57.15 mm (2.25”), max 152.4 mm (6”)
•Weight (approx.) .....................................................................37 kg (80 lb.)
Stretch model (approx.) ......................................................39 kg (85 lb.)
•Dimensions (approx.) ........ 45.7 cm x 43.2 cm x 29.2 cm (18” x 17” x 11.5”)
Stretch model ........... 45.7 cm x 48.3 cm x 29.25 cm (18” x 19” x 11.5”)
(Dimensions do not include optional roll feed equipment)
•Mounting .............................................Tabletop with vibration-damping feet
•Facilities Requirements:
Power: Voltage........ 100-120VAC, 50/60Hz (or 207-244VAC, 50/60Hz)
Current (FLA Full Load Current).............. 1.23 Amp (0.62 Amp)
Current (SCR Short Circuit Rating)................................... 5 kA
•Environment:
Temperature Range (Operating)....................1° to 30° C (33° to 85° F)
(Storage) ...............................................-25° - 55 °C (-13° - 131 °F)
Humidity................................................................ 10% to 30% at 30° C
Altitude................................................................... up to 2000m (6562’)
•Noise Level...........................................................................less than 70 dB
3
If feature registration is used, the maximum speed will be reduced.
4
Minimum strip width is dependent on material being cut.

Matrix2360 Programmable Shear User Manual - Section 1
4 12-092600 A
•Warranty ........................................... 36 Months (See Section 9 for Details)
1.5 CE Mark
This machine is CE marked. The Declaration of Conformity is available
upon request.
1.6 Orientation
Throughout this manual, the infeed of the machine
will be referred to as the ‘Front’.
The output chute part of the machine will be referred
to as the ‘Rear’ of the machine.
1.7 Glossary
MSDS: Material Safety Data Sheet
PSDS: Product Safety Data Sheet
Pushbutton: A physical, manually operated, electrical component used to start,
stop, or otherwise activate a function.
Button: A representation of the surface of a “real” pushbutton displayed on
the touch screen and used to start, stop, or otherwise activate a
function.
HMI: Human-Machine Interface. Screen displays, alerts, indicator lights,
and audible signals provide information to the Operator, and
various controls the Operator uses to direct machine activities.
Strip: A precisely cut assembly of various papers and chemicals, which
may be assembled with other parts, or inserted into a vial.
Web: An assembly in varying lengths of various papers and chemicals.
front

Matrix2360 Programmable Shear User Manual - Section 2
12-092600 A 5
2 GENERAL
This manual provides all information necessary to safely and predictably operate the
system for its intended purpose. All Operators should read and be familiar with
the sections of this manual indicated below next to the green bar before
attempting operation of the system. All sections should be read before
attempting any service or troubleshooting of the system. This is what is included
in this document package:
Maintenance & Troubleshooting
Operation
SAFETY
This manual covers the safe operation of this
machine and describes the various safety systems
incorporated into the machine.
INSTALLATION
This manual provides information regarding the
installation of the unit to ensure that the system is
installed, adjusted, and connected correctly.
OPERATION
A brief description of each module on the system
and descriptions of the controls on the HMI
screens. Loading raw materials and machine
preparation. is covered at the end of this section.
INSTALLATION OF
OPTIONAL
FEATURES
Installation of the support spindle, automatic roll
feed, card guide, and output chute guide is
covered here. Adjustment of the optional
registration sensor is also described in this
section.
MAINTENANCE
Maintenance schedules and procedures and
details on moving assemblies for access.
Procedures to adjust machine hardware. Do not
attempt any troubleshooting activities beyond
those described in this section without advice from
a Kinematic Automation Service Representative.
More information is included as separate files in the documentation package.
•Spare Parts List
•Support Documentation: BOMs and Assembly Drawings
•Schematics: Electrical and Pneumatic
•Third Party Equipment Manuals and Instructions

Matrix2360 Programmable Shear User Manual - Section 2
6 12-092600 A
2.1 Special Symbols
NOTE: All Operators must read the safety tips highlighted as in
this example, and used throughout this manual. The symbols
provide information to assist in operation, care, and safe use of
the equipment.
The following examples show the symbols used, and the relative importance of the
information that accompanies the symbol. These information packages can save
you time, help you produce a quality product, and assist in the safe operation of the
equipment.
NOTE: The information symbol announces a useful bit of
information for system or operator convenience.
IMPORTANT: The exclamation point is sometimes used to draw
attention to important information, usually relating to policies or
unusual procedures. Some of this information may describe
situations and processes that could cause damage to the
equipment or produce defective product.
CAUTION: This identifies safety hazards and processes that
could cause physical injury to Operators or other personnel.
Please be careful.
ELECTRICAL HAZARD: This symbol warns of the dangers from
electrical shock that can cause physical injury or death.
Use extreme care in this area.

Matrix2360 Programmable Shear User Manual - Section 3
12-092600 A 7
3 SAFETY
The first and most important step toward the safe and efficient operation of this or
any other piece of precision production equipment is to read and understand all
sections of this manual before operating the equipment. This manual provides the
requisite training to safely operate the equipment. The equipment should be
operated solely by trained personnel.
CAUTION: This section outlines several basic safety precautions
that must be followed by anyone moving or working on or near
this equipment. Refer also to safety precautions required by
state, federal, local authorities, and your company.
CAUTION: Before working with chemicals or product materials
containing chemicals, refer to your company’s Product Safety
Data Sheets (PSDS) and Material Safety Data Sheets (MSDS) for
information about the chemicals.
Use all safety precautions described in those documents.
ELECTRICAL HAZARD: Disconnect the unit from its power
source before beginning any maintenance or repair procedure. If
a panel is opened, exposure to live electrical circuits is possible.
Failure to follow all electrical safety procedures could result in
SERIOUS INJURY or DEATH BY ELECTROCUTION.
CAUTION: If the equipment is not operated as instructed in this
document the safety features and protective devices might not
operate as described. This creates a hazard for the Operator and
bystanders. It could also damage the equipment.
NOTE: Use electrical LOCKOUT / TAGOUT procedures
whenever and wherever possible. If service or adjustments
require an energized electrical supply, be extremely careful.
NEVER WORK ALONE.

Matrix2360 Programmable Shear User Manual - Section 3
8 12-092600 A
Here are a few more rules to help ensure your safety:
1. Keep extremities, hair, clothing, jewelry, or other personal items that may be
caught up in the moving parts of the machine, away from those parts whenever
the machine is running.
2. Long hair should be tied back while operating or standing close to an operating
machine.
3. Do not wear loose clothing or dangling jewelry while operating or standing close
to an operating machine.
4. Do not insert any foreign object into the machine at any point.
5. Never operate the machine with any side panel removed. Removing side panels
will not turn machine or control power OFF.
6. When machine power is OFF, dangerous voltages are present within the
machine. Disconnect the machine from the AC power line before removing any
side panel.
CAUTION: Do not put anything into the machine except the
material to be processed. Foreign objects will damage the
machine and may cause dangerous flying metal fragments.
The following paragraphs describe additional safety features, processes, and
procedures to help ensure Operator safety and product quality.
3.1 Safety Systems
3.1.1 EPO (Emergency Power Off) Switch
A RED Emergency Power Off (EPO), mushroom style,
manual pushbutton switch is mounted on the top panel,
behind the guide rails. This pushbutton must be pulled
out to enable machine operation and may be pushed or
“slapped” to the “in” position to turn off control power and
stop the machine. In an emergency, push or slap this
button to the “in” position to cut power and stop the
machine. This type of button is also referred to as an E-
Stop.

Matrix2360 Programmable Shear User Manual - Section 3
12-092600 A 9
There is no alert or special display on the screen if the EPO button is activated, but
the machine will not operate if it is pushed in.
ELECTRICAL HAZARD: The EPO switch does not turn off electrical
circuits inside the unit.
3.1.2 Blade Cover Safety Interlock
The clear LEXAN®cover over the guillotine cutter is electronically interlocked, as is
the metal output chute. Removal or opening of either of these components will
cause the machine to stop operating.
There is alert screen for the opening of the blade cover. The control screen turns
red, and an alert message displays.
The side panels are not interlocked. Disconnect all power supplied to the
machine before opening any side panel. See the information about safely powering
down the machine for maintenance procedures in Section 3.2.
3.1.3 Chute Interlock
If the output chute is removed while power is on, an interlock causes the control
power to go off. However if the chute is removed there is no warning screen, but
the machine will not operate until it is replaced.
ELECTRICAL HAZARD: Turning off control power does not
remove hazardous voltages inside the equipment. Do not remove
any panels until the main power has been disconnected at a source
external to the electrical cabinet.
3.2 Lock Out/Tag Out Procedures
The procedure below covers the minimum requirements for shutting down the
equipment for maintenance procedures. It should be followed to ensure that the
machine is stopped, isolated from all potentially hazardous energy sources, and
locked out. The purpose of the lockout is to prevent anyone from reconnecting
electrical power before it is safe to do so. Reconnecting energy sources before the

Matrix2360 Programmable Shear User Manual - Section 3
10 12-092600 A
machine is completely reassembled can result in extremely dangerous
consequences.
ELECTRICAL HAZARD: Disconnect the unit from its power source
before beginning any maintenance or repair procedure. If a panel is
opened, exposure to live electrical circuits is possible.
Failure to follow all electrical safety procedures could result in
SERIOUS INJURY or DEATH BY ELECTROCUTION.
Your company may have additional measures that should be followed for lock
out/tag out. Make sure that you are familiar with your company’s written policies
before continuing.
CAUTION: Refer also to safety precautions required by your
company and federal, state, and local authorities.
ALWAYS FOLLOW YOUR EMPLOYER’S WRITTEN
PROCEDURES.
3.2.1 Lockout/Tag Out Steps
1) Notify all affected employees that servicing or maintenance is required on a
machine and that the machine must be shut down and locked out / tagged out
to perform the servicing or maintenance.
2) LOCATE and IDENTIFY energy sources, potential hazards, and all
control devices. This includes:
▪Electrical Energy Sources (The power cord, the plug receptacle, and
the on/off switch)
3) Turn the electrical power off (‘O’) with the switch above the plug receptacle.
4) Remove the power cord from the plug receptacle on the machine.
5) Lock out / tag out the receptacle with your assigned individual lock per your
company’s safety policy.
3.2.2 Restoring to Service
When the servicing or maintenance is completed and the machine or equipment is
ready to return to normal operating condition, the following steps shall be taken by
authorized personnel (the individual who originally took the equipment out of service
or the responsible supervisor.)

Matrix2360 Programmable Shear User Manual - Section 3
12-092600 A 11
1) Check the machine to ensure that nonessential items have been removed
from the clearance space around the machine and that the machine and its
components are operationally intact.
2) Verify that the electrical power switch is off (‘O’) above the plug receptacle.
3) Remove the lock out / tag out devices.
4) Reattach the power cord to the plug receptacle on the machine.
5) Turn the electrical power on (‘|’) with the switch above the plug receptacle.
6) Test the operation of the equipment.
7) Notify affected employees that the servicing or maintenance is completed and
the machine or equipment is ready for use.
3.3 Vision & Hearing Safety
Wear protective glasses while operating or working around the
equipment. There is a risk of flying projectiles due to the blade
moving at high speed.
Operating sound level
5
is less than 70 dB(A). Hearing protection is not required.
3.4 Other Personal Protection Equipment Requirements
This equipment may be used to process materials treated with a variety of
substances, some may be hazardous to the skin or lungs. The safety precautions
required vary greatly depending on the chemical(s) used. The following equipment
may be required. Consult the safety information in the MSDS for the chemicals
used on the material that will be processed with this equipment.
Wear protective gloves designed to protect hands from sharp
edges while cleaning the shear blade.
Also, wear protective gloves while handling material treated with
any hazardous substance. Refer to the MSDS for information
about the chemicals used in your process.
5
The sound levels indicated here were measured at the Kinematic facility. Sound levels may vary at
the final location.

Matrix2360 Programmable Shear User Manual - Section 3
12 12-092600 A
Wear a protective mask to avoid breathing any dangerous fumes,
dust, or fibers from materials treated with any hazardous
substance. Refer to the MSDS for information about the chemicals
used in your process.
Wear a protective smock to avoid contamination of clothing from
chemicals, dust, or fibers from materials treated with any
hazardous substance. Refer to the MSDS for information about
the chemicals used in your process.
3.5 Residual Risks
Every effort has been made to reduce
risks and hazards and make this
equipment as safe as possible to operate.
A few residual risks cannot be completely
avoided for the equipment to function.
These risks are marked on the machine
and should be known to all personnel near
the equipment. check image for new blade
cover
SHEAR CUT HAZARD: The interlocked Lexan blade guard and is
designed to prevent access to the blade during operation.
Do not attempt to circumvent this safety feature.
There is a risk for Operators with small fingers if they attempt to
reach under the output chute safety bar.
Never put fingers or other objects near the blade during
operation.
This blade is very sharp.
Do not insert tools or other objects into the slot of the static control
bar. A painful but not hazardous shock (roughly equivalent to the
shock received from shuffling across a carpet, and then touching a
grounded metal object) can result.