KNECHT HV 161 Operating Instructions Manual
Status 05.2018 ■ Version 1.0 | Translation
Operating Instructions
Belt Grinding Attachment
HV 161
Operating Instructions
3
Belt Grinding Attachment HV 161
Manufacturer
KNECHT Maschinenbau GmbH
Witschwender Straße 26
88368 Bergatreute
Germany
Phone +49-7527-928-0
Fax +49 -7527-928-32
mail@knecht.eu
www.knecht.eu
Documents for the machine operator
Operating instructions
Date of issue of the operating instructions
May 28, 2018
Copyright
The copyright for these operating instructions and documents is held by KNECHT Maschinenbau GmbH.
These documents will be delivered only to our customers and to operators of our products and are a part of
the machine.
These documents may neither be reproduced, nor made accessible to third parties, including rival firms,
without our express permission.
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1. Important notes 6
1.1 Preface to the operating instructions 6
1.2 Warnings and symbols in the operating instructions 6
1.3 Figure and item numbers in the operating instructions 7
2. Safety 8
2.1 Basic safety instructions 8
2.1.1 Observe notes in the operating instructions 8
2.1.2 Obligation on the part of the operator 8
2.1.3 Obligation on the part of the personnel 8
2.1.4 Hazards involved in handling the belt grinding attachment 8
2.1.5 Malfunction 9
2.2 Intended use 9
2.3 Warranty and liability 9
2.4 Safety regulations 10
2.4.1 Organizational measures 10
2.4.2 Protective equipment 10
2.4.3 Informal safety measures 10
2.4.4 Selection and qualification of personnel 11
2.4.5 Operation 11
2.4.6 Safety measures in normal operation 11
2.4.7 Particular hazard zones 11
2.4.8 Servicing (maintenance, repair) and fault elimination 11
2.4.9 Structural modifications to the belt grinding attachment 12
2.4.10 Cleaning the belt grinding attachment 12
2.4.11 Oils and greases 12
2.4.12 Relocating the belt grinding attachment 12
3. Description 13
3.1 Intended use 13
3.2 Technical specifications 13
3.3 Functional description 14
3.4 Description of modules 15
4. Transport 16
4.1 Transport aids 16
4.2 Transport damage 16
4.3 Transport to another installation site 16
Table of contents
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5. Installation 17
5.1 Selection of qualified personnel 17
5.2 Installation site 17
5.3 Settings 17
5.4 Initial start-up of the belt grinding attachment 17
6. Commissioning 18
7. Operation 19
7.1 General principles of grinding technology 19
7.2 Grinding sickle-shaped cutter knives on the wet-grinding belt 20
7.2.1 Adjusting the grinding angle 20
7.2.2 Mounting the grinding plate 21
7.2.3 Clamping on the cutter knife 21
7.2.4 Grinding the cutter knife 22
8. Care and maintenance 25
8.1 Cleaning 25
8.2 Lubrication schedule and lubricant table 25
9. Disassembly and disposal 26
9.1 Disassembly 26
9.2 Disposal 26
10. Service, spare parts and accessories 27
10.1 Postal address 27
10.2 Service 27
10.3 Spare parts 27
11. Appendix 28
11.1 EC Declaration of Conformity 28
Table of contents
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1.1 Preface to the operating instructions
These operating instructions are meant to make it easier to get to know the belt grinding attachment and to use it properly for its intended purpose.
The operating instructions contain important information on how to operate the belt grinding
attachment safely, properly and cost-effectively. Observance of these instructions helps avoid
hazards, reduce repair costs and downtimes, and increase the reliability and service life of the belt
grinding attachment.
The operating instructions must always be accessible at the place of use of the belt grinding
attachment.
The operating instructions must be read and used by all persons entrusted with working on the
belt grinding attachment, e.g. those entrusted with:
• Transport, installation, commissioning
• Operation, including troubleshooting in the process flow, as well as
• Upkeep (maintenance, repair).
In addition to the operating instructions and the binding accident prevention regulations applicable in the country and place in which the machine is used, generally acknowledged technological
rules with regard to safe and professional work practices are to be observed.
1.2 Warnings and symbols in the operating instructions
It is essential to observe the following symbols / designations used in the operating instructions.
The hazard triangle with the signal word “CAUTION” is used as a work
safety indication for all work which might result in death or physical injury.
Special care and caution must be taken when carrying out such work.
ATTENTION
”ATTENTION” is used to draw attention to particular points in order to
avoid damage and / or destruction of the belt grinding attachment and its
environment.
NOTICE
”NOTE” refers to user tips and especially useful information.
1. Important notes
CAUTION
1
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1.3 Figure and item numbers in the operating instructions
If the text refers to an attachment component shown in a figure, a figure or item number is added in brackets after the machine component.
Example: (7-11/1) denotes figure number 7-11, item 1.
The quantity of coolant is regulated by the water nozzle
(7-11/1).
Turning clockwise = more water
Turning counterclockwise = less water
1. Important notes
Figure 7-11 Water regulation on the
wet-grinding belt
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2.1 Basic safety instructions
2.1.1 Observe notes in the operating instructions
The basic prerequisite for safe handling and trouble-free operation of this belt grinding attachment is familiarity with the basic safety instructions and regulations.
• These operating instructions contain important notes on how to operate the belt grinding attachment safely.
• These operating instructions, in particular the safety notes, must be read by all those who work
at the belt grinding attachment.
• In addition, the rules and regulations regarding accident prevention at the place of use are to be
observed.
2.1.2 Obligation on the part of the operator
The operator is obliged to allow only those persons to work on the belt grinding attachment, who
• are familiar with the occupational safety and accident prevention regulations and have been
received instruction in handling the belt grinding attachment
• have read and understood the operating instructions, in particular the section entitled "Safety"
and the warning notes, and have provided signed confirmation of this.
Checks are also carried out at regular intervals to ensure that the personnel are fulfilling their
obligation to observe safety at work.
2.1.3 Obligation on the part of the personnel
All personnel working on the belt grinding attachment undertake to
• observe basic occupational safety and accident prevention regulations,
• read the operating instructions, particularly the section entitled “Safety” and the warning notes,
and provide signed confirmation of this
2.1.4 Hazards involved in handling the belt grinding attachment
The belt grinding attachment has been built to the latest technological standards and the established rules of technical safety. In spite of this, its use poses inherent risks which could result in
bodily harm or even death of the user or third parties, or impairment of the belt grinding attachment or other property.
The belt grinding attachment may only be used:
• for its intended purpose
• in faultless condition with regard to safety-related aspects
2. Safety
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Faults that might impair safety must be eliminated immediately.
2.1.5 Malfunction
If any safety-relevant malfunction occurs on the belt grinding attachment or if the processing response indicates that such malfunction may have occurred, the belt grinding attachment must be
stopped immediately until such time as the malfunction has been detected and eliminated.
Malfunctions may only be eliminated by authorized specialists.
2.2 Intended use
The belt grinding attachment is meant for grinding sickle-shaped flat knives only. It is meant to be
installed onto KNECHT grinding machines of the USK 160 S series only. All knives must be tightened to the respective grinding plates.
Before starting work on a flat knife, a check must first be carried out as to whether the knife fits
onto the grinding plate. The knife can only be tightened to the grinding plate if it fits, because
otherwise the knife may be damaged.
Any other use is considered improper use. KNECHT Maschinenbau GmbH assumes no liability for
damages resulting from improper use. The user alone bears the risk in such cases.
Use as intended includes the observance of all the instructions in the operating instructions.
The belt grinding attachment is being used improperly if, for example:
• it is installed onto grinding machines other than the KNECHT USK 160 S series,
• the knife is improperly tightened to the grinding plate,
• attachments are not properly mounted,
• knives are sharpened / polished in the opposite direction of the cutting edge on the wet-grinding
belt or wet-honing wheel / finned brush.
2.3 Warranty and liability
Warranty and liability claims in case of personal injuries or property damage are excluded if such
damage is attributable to one or more of the following causes:
• improper use of the belt grinding attachment,
• improper transportation,commissioning, operation and maintenance of the belt grinding attachment,
• operating the belt grinding attachment with defective safety devices, or using improperly attached or malfunctioning safety and protective equipment,
2. Safety
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• failure to observe the instructions with regard to transportation, commissioning, operation,
maintenance and repair of the belt grinding attachment,
• unauthorized structural alterations to the belt grinding attachment,
• unauthorized modification of such aspects as drive conditions (power and speed) and
• insufficient monitoring of machine parts that are exposed to wear
• use of unapproved replacement and wear parts
Use only original replacement and wear parts. If parts are purchased from external suppliers, there
is no guarantee that they are designed and manufactured to withstand the required level of stress
and provide the required level of safety.
2.4 Safety regulations
2.4.1 Organizational measures
All available safety devices must be checked regularly.
Observe prescribed intervals for recurring maintenance work or as specified in the operating
instructions.
2.4.2 Protective equipment
Before commissioning the belt grinding attachment, care must be taken to ensure that all protective equipment is properly mounted and functional.
Protective equipment may be removed only after the machine has stopped and has been secured
against accidental restarting of the belt grinding attachment.
If sub-components are supplied, the protective equipment must be correctly attached by the operator according to the instructions.
2.4.3 Informal safety measures
The operating instructions must be permanently available at the place of use of the belt grinding
attachment. In addition to the operating instructions, the generally applicable as well as the locally relevant accident prevention regulations must also be made available and observed.
All safety alert symbols and danger warnings on the belt grinding attachment must be complete
and clearly legible.
2. Safety
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