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NKO MACHINES UZ 18 Hardworker Operating And Maintenance Instructions Manual

Bevelling machine with variable angle and automatic feed
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Bevelling Machine with Variable Angle and
Automatic Feed
NKO MACHINES
UZ 18 Hardworker
Operating and Maintenance Instructions
MAQUINARIA NOGVAL S.L.
C. Borges Blanques nº 38
P.I. La Borda
1
08140 Caldes de Montbui (Barcelona)
Tel.: 0034 93 865 35 68
E-mail: info@nogval.com

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  • Page 1 Bevelling Machine with Variable Angle and Automatic Feed NKO MACHINES UZ 18 Hardworker Operating and Maintenance Instructions MAQUINARIA NOGVAL S.L. C. Borges Blanques nº 38 P.I. La Borda 08140 Caldes de Montbui (Barcelona) Tel.: 0034 93 865 35 68 E-mail: info@nogval.com...

  • Page 2: Table Of Contents

    Contents General information Introduction Testing Guarantee Identification data Reference standards Safety Safety recommendations Safety labels Qualification and protection of operators Safety devices Residual risks Technical specifications Machine description Technical data Noise level Working conditions Installation Transport and lifting Setting and connection Checking before use Dismantling and disposal Usage...

  • Page 3: General Information Introduction

    1.3 Guarantee The Seller provides a guarantee for fault free material and workmanship of the UZ 18 Hardworker bevelling system for a period of 12 months from the delivery date of the goods. A guarantee for correct functioning of the goods and materials used is provided for a period of 12 months from the delivery date of the goods.

  • Page 4: Identification Data

    The guarantee period is suspended on the day when the Purchaser notifies the Seller of a defect covered by this guarantee, due to which the Purchaser is unable to use the goods and makes a claim based on the liability for defects covered by the guarantee granted, until the date when the defect is removed by the Seller.

  • Page 5: Reference Standards

    1.5 Reference standards (CE Declaration of Conformity)

  • Page 6: Safety

    SAFETY 2.1 Safety recommendations Attention: Read the following instructions carefully to prevent personal injuries and/or property damage. - Never try to operate the machine unless you have carefully acquainted yourself with its functions. If after having read this manual carefully and fully you are still in doubt, contact the N.KO company.

  • Page 7: Safety Labels

    Safety labels Safety labels are placed on the bevelling machine to protect the operators. Meaning of the labels: This label is placed on the electrical panel of the bevelling machine, and indicates the presence of high voltage. Do not remove the label from the machine. Qualification and protection of operators The employer is obliged to inform the operators about safety standards;...

  • Page 8: Safety Devices

    Safety devices The machine is equipped with safety guards to isolate the zones potentially dangerous to the operators. The guards are attached to the frame or screwed to with the machine housing. They can be dismounted with suitable tools. This operation may be necessary during certain maintenance activities.

  • Page 9: Residual Risks

    TECHNICAL SPECIFICATIONS Machine description The bevelling machine model UZ 18 Hardworker has compact dimensions. One of its main features is the adjustable bevel angle and automatic material feed. The machine is equipped with a hardened cutting tool, sturdy work piece holder, direct- reading scale used for setting values (bevel size and angle), and a special guide facilitating the loading of material.

  • Page 10: Technical Data

    Technical data Voltage 400/480/220 V* Frequency 50/60 Hz* Motor power 750W, 6 ÷ 40 mm / 0.23 ÷ 1.57 in Sheet thickness Max. bevel width 18 mm/0.71 in (600 MPa/87 022 PSI) 15° ÷ 50° Bevel angle range Feed 1,9 m/min./6.23 ft/min Dimensions 450 x 800 x 400 mm Weight...

  • Page 11: Working Conditions

    - during unloaded operation: LpA m. = 64.5 dB LwA = 76.4 dB Working conditions The work environment of the machine must satisfy these values: 0 °C - 50 °C Temperature: Humidity: 10 % - 90 % (without condensation) The machine must be placed in a covered room protected from rain. Working conditions different from the above-mentioned ones might result in serious damage to the machine, particularly its electrical equipment.

  • Page 12: Setting And Connection

    Lift the bevelling machine. To do that, use the band attached to the upper handle. See Fig. 4.1.1. Fig. 4.1.1 Setting and connection Important: Activities described in this section must be performed by qualified personnel only. If you use the machine for processing small pieces, you must fix it to a level surface by means of the holes at the bottom of the stand (Fig.

  • Page 13: Checking Before Use

    Checking before use Important: Never start the UZ 18 Hardworker without carrying out the checks described in this section. Before starting the machine, check whether it is in working order by means of the following checks and inspections in order to ensure the highest possible efficiency and to meet safety regulations: - Check whether there are no loose screws or other parts.

  • Page 14: Dismantling And Disposal

    - During dismantling, strictly follow valid work safety regulations. USAGE Correct usage The bevelling machine model UZ 18 Hardworker has been designed, manufactured and sold for the purpose of bevelling the following kinds of metal parts and rolled metals: iron, steel up to R=60kg/mm , stainless steel, brass, copper and aluminium.

  • Page 15: Description Of Control Devices

    Description of control elements The bevelling machine is operated by means of control devices located on the distributing box. Green button Press the button to turn on the engine. BE CAREFUL of the direction of rotation of the tool. Working direction is only clockwise. Red button.
  • Page 16 Fig. 5.3.1 Adjusting the lower cylinders (bottom support): By adjusting the lower cylinders (bottom suport), you can set the size of the bevel. Proceed as follows: - Loosen the central cylinder screw sufficiently (position A, Fig. 5.3.2). - Raise or lower the bottom support by means of the lower right adjustable screw (position B, Fig.
  • Page 17 - Meanwhile, check the graduated scale (position D, Fig. 5.3.2), making sure the desired value has been reached. (The scale indicator C is formed by the horizontal joint of the two parts of the assembly, the bottom support.) - After setting of value of size of bevel, you have to adjust also the left screw as follow. Turn the left screw, until it touches body of bottom support and the rotate about one half to whole rev so that left side of the lower support should be at same height as the right side.
  • Page 18 Fig.5.3.1.0 Fig.5.3.1.1 Important: Table of maximum material removal. On the scale C (position D, Fig. 5.3.2.), it is FORBIDDEN to set a value lower than that indicated in the right-hand column of the table. Otherwise, the machine may become overloaded. Note: The data is valid only for strength of steel to 45 kg/mm².
  • Page 19 Example No. 1: Can you create a bevel of 15x15x45 on 20mm thick material? For correct setting, you must set the difference between the desired bevel height and the material thickness on the graduated scale C (position D, Fig. 5.3.2); that is, 20-15=5; so the scale C should read 5 mm.
  • Page 20 Adjusting work piece holder cylinders To ensure correct functioning of the machine, the work piece holder cylinders must slightly push on the work piece. Carry out their adjustment as follows: Turn the hand wheel in the upper part of the work piece holder (position F, Fig. 5.3.2) to adjust the holder cylinder height.

  • Page 21: Bevelling

    Fig. 5.3.3 Bevelling Important: Activities described in this paragraph must only be done after the adjustment according to the previous paragraphs. If profiles or rolled materials have small dimensions, the machine is used as a stationary as mentioned above in the chapter 4.2. In this case, the work pieces move and the machine stands during processing (Fig.
  • Page 22 Fig.5.4.2 If you intend to bevel large and heavy work pieces, you must locate them at a minimum height of 400 mm above the ground. Then lift the machine and place it on to the right end of the work piece, if you stay behind the machine (Fig. 5.4.3). In the case of a double-sided bevel without need to manipulate with the material, it is necessary to flip the machine upside down and put it on the steel plate from the opposite side of the workpiece.
  • Page 23 Attention: When using the machine in the inverted position, use preferably secondary switch (position A, Fig. 5.4.4) Fig.5.4.4 Important: In both of the above – mentioned modes of using, the machine moves on the work piece without any support required. However, you must hold the machine at the end of the bevel to prevent it from falling to the ground.

  • Page 24: Maintenance And Adjustment Recommendations

    MAINTENANCE AND ADJUSTMENT Recommendations Important: Maintenance personnel must be qualified technicians. Never work on moving parts of the machine, not even with tools or other objects. It is strictly forbidden to remove safety devices, modify them, or handle the safety equipment of the machine.

  • Page 25: Exchange Of Tools

    Fig. 6.2.1 Exchange of tools Attention: Wear protective gloves when exchanging tools and safety goggles. When exchanging worn tools, proceed as follows: Dismount the protective acrylic glass. Dismount the upper thrust bar (two screws, position A, Fig. 6.3.1). Loosen the main central roller and let the lower rest down to its lowest position. Loosen the screw securing the tool (position B, Fig.
  • Page 26 Fig. 6.3.1 TIP: You can grind the tool for maximum utilization. Do so on a magnetic flat-grinding machine, from the tool face until the galled, blunt edges are sharp again. A blunt tool can be recognized visually. Its edges are galled, rounded. Now it is time to grind If you continue working with a blunt tool, the blunt teeth may crack deep into the tool.
  • Page 27 You must bear in mind that the tool is conical. Therefore, even if the tool is padded correctly, the machine will not be able to achieve the maximum possible bevel (15 mm hypotenuse) with a mill at the end of its lifetime. This fact is also apparent on the graduated scale for setting the lower cylinders;...

  • Page 28: Technical Diagrams

    TECHNICAL DIAGRAMS 7.1. Wiring diagram Attention: When operating the machine in areas with particularly dangerous influences, AD or more, you must take measures to increase the machine protection against electric shock! The electrical power supply must immediately be cut off in case of defects. Work on the electrical equipment of the machine can only be done by a qualified electrician, or persons under his supervision, so that the work complies with electrical engineering regulations.

  • Page 29: Spare Parts

    Attention: None of the parts maintained or repaired must be disconnected from the power supply. You must check that the disconnected parts are not under voltage by means of a bipolar measuring device, then connect them to the ground, and isolate neighbouring parts under voltage! Cut off voltage by turning the main switch to “0”, and disconnect the machine from the power supply.
  • Page 37 Link to video operation manual and etc: http://www.youtube.com/user/firmanko/videos?shelf_index=0&view=0&sort=dd A copy of this manual is supplied with each machine UZ18 Hardworker. All rights reserved. No part of this publication may be reproduced without prior consent granted by N.KO. MAQUINARIA NOGVAL S.L. C.

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