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1. Higher hardness and wear resistance the hardness of the cutting part of the tool must be higher than that of the workpiece material. The higher the hardness of the tool material, the better the wear resistance. The hardness of tool material should be above HRC62 at room temperature. 2. Enough strength and toughness. The cutting tool bears a lot of pressure in the process of excessive cutting. Sometimes it works under the condition of impact and vibration. In order to make the cutting tool...
1.Milling cutter cutting part of the material milling cutter is used in milling machine cutting workpiece. Commonly used CNC milling cutter cutting part of the material is usually divided into two categories, one is high speed tool steel (referred to as high speed steel), one is cemented carbide. High speed steel is mainly composed of tungsten, chromium, alum, molybdenum and cobalt. Cemented carbide is made of high hardness metal carbide and metal binder by powder metallurgy. High speed steel...
1. The structure of tool holder of CNC machine tool is divided into integral type and modular type. The working part of the clamping tool of the integral tool handle is integrated with the handle used for fixing and positioning on the machine tool. This type of toolholder has poor adaptability to the transformation of machine tools and parts. In order to adapt to the transformation of parts and machine tools, users must reserve various specifications of toolholders, so the utilization rate of...
Hydraulic toolholder is a very popular tool holder at present. It has super high clamping force and good damping performance in rough machining, so it is favored by the majority of processing manufacturers. However, the user who just started to use the hydraulic tool handle should pay attention to the following five matters. 1. When the hydraulic tool handle is pressurized, please use T-type wrench to completely tighten the bolt. When the bolt is fully tightened, it will stop rotating, and the...
HSK CNC tool holder can effectively improve the joint stiffness between tool holder and machine tool spindle. Because of the combination of cone and end over positioning, the effective contact area between the toolholder and the spindle is increased, and the double-sided positioning is carried out from the radial and axial directions, which greatly improves the combination stiffness of the toolholder and the spindle, and overcomes the weakness of the traditional standard toolholder in...
In order to achieve better processing effect, hydraulic toolholder is often applied to many fields. Today, let's first understand the common use questions of hydraulic toolholder Q1: what's the difference between hydraulic tool handle, powerful tool handle and cold pressing tool handle? A: The powerful tool holder has large clamping force and high centering accuracy, which is suitable for powerful cutting. The performance of hydraulic toolholder is similar to that of powerful toolholder, but...
According to the working principle of HSK NC tool holder, the user should know the clamping force / clamping strength 1. Heat shrinkable handle. 2. Spring chuck handle. 3. Handle of plane milling cutter. 4. Side fixed end milling tool holder. 5. High speed toolholder in many tool systems, the taper shank of HSK adopts the working mode of simultaneous positioning and clamping of end face and taper face. Due to the effect of clamping force, the surface of HSK toolholder fits closely with the end...
Generally speaking, the winter operation of machining center toolholder needs to start with preheating, antifreezing and cleaning. 1、 Preheating In winter, when the machining center starts up, it needs to warm up for 10 minutes before it works. If the machine is not used for a long time, the preheating time should be extended accordingly. 2、 Antifreeze The general principle of antifreeze is to ensure the fluidity of machining center fluid and avoid condensation when the temperature is too low....
CNC toolholder belongs to a kind of machine tool accessories. The commonly used toolholders for CNC machining are mainly divided into drilling toolholder, boring toolholder, milling toolholder, threaded toolholder and straight toolholder. Different toolholders need to be equipped with different NC tools to play a role. Today, shenganbei toolholder manufacturer will take a look at the features of bt-lbk boring toolholder Boring cutter is a kind of boring cutter, which is usually round handle,...
Nowadays, CNC machining center has been widely used in factories. Different models, standards and parts of CNC machining center are more and more well known. The toolholder is the joint between the machine tool and the cutting tool. The toolholder is a key link affecting the concentricity and dynamic balance. The common unit of toolholder is taper Most of the handles we see everyday are 7:24. This is a sk universal toolholder with a taper of 7:24. The other is HSK vacuum toolholder with taper...
1. What are the models of BT40 toolholder? There are many BT40 toolholder models. In addition to the differences in types and models, there are also differences in accuracy. If the runout accuracy is within 0.002mm, the runout accuracy is between 0.001mm and 0.005mm. The requirement is not high, the jumping accuracy is 0.008mm, and the price is relatively cheaper. The commonly used models can be divided into the following types: There are 14 types of bt40er elastic toolholder: bt40-er16-70,...
Under the condition that modern large-scale high-speed processing equipment is more and more applied to the production link, how to select the appropriate Er toolholder to adapt to the progressive spindle speed of the machine tool and process the high-precision mold surface, the technical staff must comprehensively consider the various characteristics of the toolholder, especially the clamping force and radial runout error accuracy and dynamic balance quality under the condition of high-speed...
In some mold manufacturing industry and hardware machinery industry, knife handle is an indispensable tool. There are many kinds of toolholders in the world. Each type of toolholder is different. According to the type of clamping, it can be divided into hydraulic toolholder, shrink toolholder, universal toolholder and heat shrink toolholder. How to use the common toolholder: 1. Put the handle into the tool unloading seat and lock it; 2. Select the appropriate clip spring according to the tool...
Toolholder can be used in many large equipment manufacturers and processing industries. Its main function is to connect the mechanical spindle and cutting tool, which plays a bridge role, that is, a connecting link between the preceding and the following. What should be paid attention to in the use of toolholder? 1、 When we choose products 1. Check the size and shape of spindle hole and toolholder. 2. Select the cutting tool with appropriate size and shape and matching with the tool holder. 3....
High speed, high efficiency, compound, high precision, high reliability and environmental protection are the development trend of advanced cutting technology, and also the requirements of NC tool holder. Toolholder is a kind of tool, which is the connecting part of mechanical spindle, cutting tool and other accessories. At present, the main standards are BT, SK, capto, BBT, HSK and other specifications of spindle models. Rivet is also known as core pulling rivet. Core pulling rivet is a kind of...
Toolholder is an important connecting accessory between machine tool and cutting tool. The connecting part of machine tool and tool handle, tool handle and cutting tool are mostly used for metal processing, which should not be contaminated with metal powder and impurities, and should be kept clean at all times. In order to avoid damage to the handle. In order to ensure the accuracy, the important bonding surface cannot be processed after grinding. At present, there are two main application...
Er spring chuck has the characteristics of high centering accuracy and uniform clamping force. It is widely used in finishing and semi finishing of mechanical parts, and is usually matched with BT toolholder BT toolholder is the connecting part of mechanical spindle, cutting tool and other accessory tools. BT is a Japanese standard (mas403), which is also widely used now. Traditional toolholders include Er type, powerful type, side fixed type, plane milling cutter type, drill chuck, Morse taper...
High speed machining technology can effectively shorten the production cycle and reduce the processing cost, but in the actual processing, sometimes its processing effect does not achieve the expected goal. Of course, there are many reasons. Shandong shenganbei concluded that if the toolholder matched with the high-speed spindle is not selected correctly, it is one of the key factors. If the high-speed operation of the machine tool spindle is not matched with a suitable tool holder, not only...
As an important "bridge" between machine tool and cutting tool, NC tool holder is related to machining accuracy, cutting tool life, machining efficiency and so on, and ultimately affects machining quality and cost. Due to different processing requirements, corresponding to different clamping methods of tool holder. 1.Handle Working principle: the taper spring jacket gradually shrinks in the process of axial movement (locking) to realize the clamping of the cutting tool. Scope of application:...
CNC chuck manufacturing art: in the process, first add the chuck into the pressure cap, gently rotate the clip spring, wait for the eccentric device of the pressure cap to be concave into the slot of the clip spring, fix it along the direction of the arrow, and vigorously develop the clip spring, then the cone can be broken. The ER chuck only needs to turn to the sliding sleeve, which can make the drilling and tapping sleeve change quickly. When drilling, the Morse sleeve is automatically...
Manufacturing technology of spring chuck: in the process, first put the chuck into the pressure cap, and then work the clamp spring gently. After the eccentric layout of the pressure cap is concave into the snap spring groove, place the clamp spring along the arrow, and then use force to make the clamp spring, so that the cone can be in two halves. The ER chuck needs to turn to the sliding sleeve, that is, the drilling and tapping sleeve can be reliably replaced. When drilling, the Morse sleeve...
The common demand of spring collet for the superior skill of the fixture. Most of the structure of the fixture should select all kinds of standard parts and wide parts as far as possible, and the proportion of making special parts should be as small as possible, so as to reduce the production labor and cost. All kinds of special structures and components of spring chuck should be easy to make and measure, and easy to arrange and debug. The adjustable structure of the spring chuck is often...
Consumers in the purchase of Er spring collet, first, should look at the stability of the collet. Only make the ER spring collet and machine equipment know well, the machine and equipment will be able to travel slowly, in addition, to maintain a relatively low concentricity. It should be the accuracy of the ER chuck. In fact, the accuracy is very easy to measure. According to the standard of collet, the size of Er spring collet is different due to different machines and different positions. It...
In the design scheme of Er spring chuck, there are various types of workpieces, such as metal stamping parts, aluminum profiles and components. Therefore, in the design scheme, it is necessary to estimate the allowable range of standard tolerance of workpiece clamping position. The application of spring collet can greatly improve the processing efficiency, and can keep all the machining surfaces of the parts to be processed once clamping. Then according to the matching of round bar machine and...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.