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Bohrwerk Machine Tools Inspection

Bohrwerk machines are used for machining workpieces that are too large and heavy to be machined on milling machines. These machines are horizontal boring machines, but are commonly known as Bohrwerk machines. In the German language, the word bohrwerke means boring, catheter, and this name has entered the German language.

Bohrwerk benches or horizontal boring benches are generally used for boring, enlarging and similar operations. Even very long holes can be machined with precision and quality.

In this type of machine, as in milling machines, multi-point cutting tools as well as single-end cutting tools can be used. These cutting tools are also the same types used in CNC machining centers. The universal head can be connected to the spindle of Bohrwerk machine tools to perform operations at different angles and positions. The table to which the workpieces are connected is capable of both linear movement and 360 rotation about its axis. In this way, it is possible to treat each surface of the workpieces.

In fact, as with all machine tools, Bohrwerk machines are among the machines and equipment that pose a danger to the health of employees and the safety of employers. As such, periodic checks of Bohrwerk machine tools must be carried out in accordance with the provisions of the Regulation on Health and Safety in the Use of Work Equipment.

During the control procedures in the authorized test and inspection institutions, the relevant standards are followed firstly, and if there is no time or condition specified in these standards, the time and conditions deemed appropriate by the companies producing these machines are followed. If there is no prediction in the manufacturer companies, a risk assessment study is conducted and control periods and control criteria are determined according to the results. Factors such as operating conditions, frequency and duration of use of these machines are taken into consideration in the risk assessment study. However, the control period to be calculated must not exceed one year.

Our company, Bohrwerk machine tools inspection, in accordance with the relevant legal regulations, standards and test methods published by domestic and foreign organizations. In this regard, our company, the Turkish Accreditation Agency (TÜRKAK), It is accredited in accordance with TS EN ISO / IEC 17025 standard. In this way, the control and inspection procedures and reports issued are deemed valid for private and official audits.

 

 

Grinding Machine Inspection

In machine production, it is very important that the parts work in harmony with each other and surface surface is used. Thanks to technological advances, quality expectations and long-term guarantee demands for the products have made the grinding process compulsory on the manufactured parts. Grinding technique is preferred in machine production for surface quality and chip removal from hardened parts.

The most preferred machines for grinding flat surfaces are plane surface grinding machines. Bular is also diversified as horizontal national, vertical national and multi national. Horizontal spindle machines are generally used for grinding small and sensitive parts. In addition, angled surfaces and different profiles are grinded by adding additional apparatuses to these machines. Cylindrical and segmented stones are mostly used in vertical shaft grinding machines. They are faster and have higher chip removal capacity than horizontal spindle machines. However, it is important to choose the right grinding machine.

No matter which type they are used, the grinding machines are electrically driven machines and pose a danger to the safety of workers during their use. For this reason, regular inspections of grinding machines should be carried out in accordance with the Health and Safety Conditions Regulation in the Use of Work Equipment. It is necessary to comply with the relevant standards, if any, or the conditions of the manufacturer. If this is not the case, it is necessary to carry out a risk assessment study and determine the control periods and control criteria accordingly. In this study, operating conditions, frequency and duration of use of grinding machines should be taken into consideration. However, the control period to be determined should not be more than one year.

Our company, grinding machine inspection, in accordance with the relevant legal regulations, standards and test methods published by domestic and foreign organizations. These standards are based on a few standards:

  • Safety regulations - For hand held electrical appliances, hand-held tools, portable tools and lawn and gardening machines - Part 62841-3: Specific requirements for portable table-type grinding machines
  • TS EN ISO 16089 Machine tools - Safety - Stationary grinding machines
  • TS ISO 1986-1 Plane surface grinding machines - Test conditions and precision control with horizontal spindle shaft
  • TS ISO 4703 Grinding machines - Two-column, with planar surface - For record grinding - Test conditions - Determination of accuracy

 

 

Inspection of Milling Machines

Milling machines have a cutting tool with multiple cutting blades rotating around its own axis. This cutting tool moves linearly and removes chips from the workpiece underneath. The cutting tool that makes a rotary movement on a milling machine is called a milling knife. In lathes, this rotational movement makes the workpiece unlike milling machines.

Comparing lathes and milling machines results in the following results:

  • While turning the workpiece in lathe workbench, milling machine makes this movement cutting tool.
  • While lathe lathe makes linear movement cutting tool, milling machine makes this movement workpiece.
  • In lathes, workpieces have cylindrical cross-section and in milling machines workpieces are prismatic.
  • Single-ended cutting tools are used in lathes, while multi-cutting cutting tools are used in milling machines.

In milling machines, the body is the main part of the machine as in lathes. All other elements are connected to the body. The bodies of milling machines are made of cast iron and are vibration-absorbing. In the interior of the body, the drive motor, the drive transmission elements, the speed box and other auxiliary parts are arranged.

Milling machines are among the machines that pose a danger to employee health. In accordance with the Regulation on Health and Safety in the Use of Work Equipment, inspections of milling machines and components must be carried out under conditions deemed appropriate by the manufacturer, unless otherwise stipulated in the relevant standards. However, if the manufacturer does not foresee any period or condition, then a risk assessment is carried out based on operating conditions, frequency of use and how much of the machine is used and control periods are determined accordingly. However, it must be checked at least once a year.

Inspection of milling machines, in accordance with the relevant legal regulations, standards and test methods published by domestic and foreign organizations. These standards are based on a few standards:

  • TS EN 13128 + A2 Safety on machine tools - Milling machines (including boring machines)
  • TS ISO 240 Milling cutters - Connection of blades - Dimensions
  • TS EN ISO 15641 Milling cutters for high-speed machining - Safety regulations
  • TS EN 847-1 Cutting tools for woodworking - Safety regulations - Part 1: Milling tools, circular saw blades

 

 

Inspection of Planing Machines

Planing benches or vargel benches are production benches used to process workpiece surfaces flat or oblique. In principle, a single-ended cutting tool is connected to the movable machine head, which is machined linearly back and forth and the chip is removed from the workpiece.

The working principle of horizontal planing machines is to transmit the rotational movement taken from the engine to the crank pulley. The crank pulley transmits the rotational movement in linear motion with a swivel shaft to the movable head. In this way, the movable head synchronously moves back and forth with the crank pulley.

In the forward movement of the head, the planer moves to the cutting state. In the backward movement of the head, the planer moves up and returns to its initial state without cutting. These movements follow each other continuously.

There are several types of Vargel lathes: horizontal barrel loom, vertical barrel loom, hydraulic barrel loom and planer barrel loom. Among these, horizontal barrel benches are the most widely used. Vertical vargel benches are mostly used as grooving machines. Planer-type barrel workbenches are used to process large and heavy work pieces that cannot be connected to barrel workbenches.

Slotting benches are dangerous to the health of the workers during their use. Therefore, in accordance with the Regulation on Health and Safety in the Use of Work Equipment, the controls of planing machines should be carried out under conditions deemed appropriate by the manufacturer, unless otherwise stipulated in the relevant standards. If the manufacturer does not foresee any conditions, then a risk assessment is carried out based on the operating conditions in which the machines are used and control periods are determined accordingly. However, it must be checked at least once a year.

Our company, planing machine inspection, in accordance with the relevant legal regulations, standards and test methods published by domestic and foreign organizations. These standards are based on a few standards:

 

  • TS EN 50632-2-19 Electric motor-driven tools - Dust measurement - Part 2-19: Particular requirements for planing machines
  • TS EN 50632-3-3 Electric motor-powered tools - Dust measurement - Part 3-3: Portable planers and thickeners
  • TS EN 860: 2007 + A2 Safety of woodworking machines - One-sided thickness planers
  • TS ISO 241 Cutting tools - Turning and planing pens - Cross-sectional shapes and dimensions
  • TS 68 Planers and planers (for woodworking)

Lathe Machine Inspection

Machine tools that process workpieces that rotate around a shaft with the help of a cutting pen are called lathes. Lathes are used most in industry and mainly do the following: face turning, external turning, cylindrical internal and external surface treatment, tapered internal and external surface treatment, drilling, threading, chamfering, tapping, grooving, cutting , profile turning, die drawing, reaming, spring winding, knurling, screwing, copy and profile processing or complex special operations. Face turning is the most commonly used turning process. In general, lathes come in two types: horizontal lathes and vertical lathes.

The machine equipment used in the lathe to connect the workpiece is called a mirror. Universal mirrors are the basic equipment used in all lathes. The body is the main part of the lathe made of cast iron and is the basic organ of the machine. The other components of the lathe are connected to the body. In the spindle box or the speed box, there is a gearwheel with speed adjustment. The feed box serves to regulate the rotational speed of the lathe. There is also a chip shaft and main shaft attached to the body.

Lathes are among the machines that need to work precisely and create a danger to employee health. In accordance with the Regulation on Health and Safety in the Use of Work Equipment, the control of lathes and equipment must be carried out under conditions deemed appropriate by the manufacturer, unless otherwise stipulated in the relevant standards. However, if the manufacturer does not foresee any period or condition, then a risk assessment is made by looking at the workplace conditions in which the machines are used and control periods are determined accordingly. However, it must be checked at least once a year.

Our company, lathe machine inspection, in accordance with the relevant legal regulations and standards published by domestic and foreign organizations. These standards are based on a few standards:

  • TS EN ISO 23125 Machine tools - Safety - Lathes
  • TS ISO 3655 Lathes - Vertical - One or two columns and one fixed or movable table - General introduction and accuracy test
  • TS ISO 6155 Lathes - Single spindle - Revolver head - Semi-automatic, automatic or manual control - Acceptance requirements and accuracy inspections