Dinkle metal precision was established in 1983, at present we have integrated the slitting processing of metal plate, design and manufacture of precise tool, metal stamping, the secondary processing of production, multiple processing, heat treatment, surface treatment of galvanization. All of working flow is completed in house. Our service is a completely successive producing process, not only to guarantee high stable quality, but also to satisfy the varied demands from variant customers. We can provide our assistance to enhance our customers' efficiency and to reduce their labor cost as outsourcing. The existing customers cover the fields of electronics, electrical machinery, telecommunication, automobile, computer peripheral device and so on. | |
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Precision Metal Parts
Hot Forging - FP High Speed Forging Press
Hot Forging for FP High Speed Forging Press is suitable for processing forgings needed in hand tools, autos, bikes, steel, aluminum, copper and titanium alloy forged parts.Equipped with several new technologies and mold-stick releasing device that has won new patents, FP Forging Press series features high production efficiency, high quality and enhanced manufacturing precision. It is truly an advanced press indispensable to modern forging mills to meet customers' demand for precision forging parts, high quality and on time delivery.
Forging Machine - Link Motion LP Presses
Forging Machine - LP Link Motion Presses are suitable for stamping applications such as fine blanking, bending, deep drawing, precision trimming, piercing and coining processing etc. As link motion press has wider range of operation area comparing to crank shaft press, it will reduce press processes and unmanned mass production with stable quality will be achieved by the combination of other peripheral automatic feeding equipments for low defects and production cost.
Hot Forging - FPG High Speed Forging Press
Hot Forging Press is suitable for processing forgings needed in hand tools, autos, bikes, steel, aluminum, copper and titanium alloy forged parts.Equipped with several new technologies and mold-stick releasing device that has won new patents, FP Forging Press series features high production efficiency, high quality and enhanced manufacturing precision. It is truly an advanced press indispensable to modern forging mills to meet customers' demand for precision forging parts, high quality and on time delivery.
Forging Machine - Bar Shearing Machine
Forging Machine - Bar Shearing Machine is applied for cold or hot bar shearing. It can control the material difference within 0.3g after shearing. Automatic shearing and feeding offer high production.
Main Product:Hot Forging, Cold Forging, Forming Machine, Forging Press, Forging Machine, Roll Forging Machine, Warm Forging
Crank C Frame Type Presses
Forging Machine - Crank C Frame Type Presses are suitable for trimming, bending, upsetting and piercing of forging processes.
Main Product:Hot Forging, Cold Forging, Forming Machine, Forging Press, Forging Machine, Roll Forging Machine, Warm Forging
CNC Automatic Lathe
This machine is a computer numerical control automatic lathe, which is designed for turning precision small parts, as Watch, Camera, Optical equipment, Radio & TV set, Communication equipment, Sewing machine and Hardware parts etc.
Features:
- Stable, High-speed spindle
- We use the control system of high-speed, high precision spindle, complete with C axis to do angle conversion function etc.. It can promote processing efficiency and machine's stability.
- Linear Sliding Rail And Lead Screw
- The leading mechanism of driving screw for precision linear mold is operated by nut and sliding block to get precision position and high-structure function.
- Part Conveyor
- The part conveyor with small type design and firm structure, can reduce the damage of part surface.
- Tooling System
- The tool rest with human-nature design, it can be changed front and rear. There are eleven kinds of tools to select for customer.
- Option Accessories
- Side (Up) Milling Device: Side (Up) Milling device can do milling of side and angle, also can do side hole drilling etc.
- Chip Conveyor: The chip conveyor allows easy collection of chips during operation.
- Automatic Voltage Regulator (Automatic Voltage Regulator & Convertor): It supplies more perfect and standard power environment, avoid the transmission of higher and lower voltage. It can resist different power supply and reduce the break-down of machine.
- Accessories - Standard
- Automatic Breaker
- Spindle Blowing Device
- Water Flow Device
- Finished Parts Conveyor
- Automatic Lubricating System
- Standard Tools
- Illumination Device
- Adjust Tools Box
- Accessories - Option
- Auto Bar Feeder
- High-pressure Coolant System
- Side Milling Device
- Chip Conveyor
- Automatic Voltage Regulator (10KVA)
- Automatic Voltage Regulator & Convertor (10KVA)
- Foot Control Switch of Hydraulic Chuck
- Bottom Pan
By using abrasives without risk one of the most fundamental rules for the use of the products of grinding is without risk with the match gritting with
By Jeremy Stone
The professional metal-workers have need to hardly recall that the maximum of the output and to the minimum to reduce costs in the welding require to choose the right abrasive for each application and to employ that correctly abrasive. Always, in precipitations to obtain made work or the product finished outside the door, too often much of the use some abrasive is handy, fails the match gritting with the machine, or is unaware of fundamental rules of grinding of safety. The results can be the products of lower quality, increased grinding or the costs of completion, and the lost productivity.
Choice of the abrasives by Rank: Good, better, better
Those which measure total grinding result and want to low carry out the cost of grinding for an application will consider best gritting the available ones and will hold the use of better abrasives for the applications of high-productivity in which the abrasive costs of initial are important. The manufacturers who the low want costs abrasive initial probably will choose good abrasives, but should understand that such a choice cannot be like economic with long. If you do not measure total results of grinding but want with, you can work with your abrasive supplier to examine various categories of the abrasives or products of abrasives of various manufacturers.
Such tests, carried out in your store, can determine the relative abrasive cost based on the original cost and carry the rate and measure the relative productivity of workman based on the wages of a workman. Then, the relative cost of wheel can be added to the cost of the operator to determine all the cost of grinding. What such an exposure of tests typically is that (the best) gritting more advanced lasts typically longer, functions more quickly and can be the most profitable choice.
The professional metal-workers have need to hardly recall that the maximum of the output and to the minimum to reduce costs in the welding require to choose the right abrasive for each application and to employ that correctly abrasive. Always, in precipitations to obtain made work or the product finished outside the door, too often much of the use some abrasive is handy, fails the match gritting with the machine, or is unaware of fundamental rules of grinding of safety. The results can be the products of lower quality, increased grinding or the costs of completion, and the lost productivity.
Choice of the abrasives by Rank: Good, better, better
Those which measure total grinding result and want to low carry out the cost of grinding for an application will consider best gritting the available ones and will hold the use of better abrasives for the applications of high-productivity in which the abrasive costs of initial are important. The manufacturers who the low want costs abrasive initial probably will choose good abrasives, but should understand that such a choice cannot be like economic with long. If you do not measure total results of grinding but want with, you can work with your abrasive supplier to examine various categories of the abrasives or products of abrasives of various manufacturers.
Such tests, carried out in your store, can determine the relative abrasive cost based on the original cost and carry the rate and measure the relative productivity of workman based on the wages of a workman. Then, the relative cost of wheel can be added to the cost of the operator to determine all the cost of grinding. What such an exposure of tests typically is that (the best) gritting more advanced lasts typically longer, functions more quickly and can be the most profitable choice.
Selecting The Proper Abrasives. Part Two
By Jeremy Stone
By using abrasives without risk one of the most fundamental rules for the use of the products of grinding is without risk with the match gritting with the machine being employed. The catalogues of the manufacturers of abrasives indicate clearly which products are designed for which factory. Some employ icons or other charts of machine premise of abrasive matches. The operators should also seek similar information on the packing of product. In fact, the rule of safety from the not 1 for all the abrasive discs and the wheels are lira and to follow the information of safety included on the packing of product. If the packing were thrown, you ensure to know what you assembled on a machine and to follow suitable procedures of safety. What follows are ends for correctly employing and maintaining gritting.
General: * Not to rectify close to flammable materials. * If possible, parceling out or sand in a well-ventilated sector. * Protection of eye and face of use. * Gloves of safety of use. * To hold the grinding machine with the two hands. * To direct the sparks far from your body and far from the spectators. * Not to carry the clothing of coward-fitting of precision. * To wear the shirts or the guards of arm length-sheathed and the long trousers. * Not to carry the clothing polyester-type while rectifying. The polyester is an oil by-product and is flammable.
* If necessary, to employ a mask of dust or an approved respiratory protection adapted for materials being ground or being rectified. * To carry the protection of hearing when noise exposure exceeds the established levels of threshold. * If chattering or the vibration occurs during grinding, to stop the tool immediately. To determine the cause of the problem and to correct it before continuing. * To turn the actions; to employ on a first-in, the first-outside bases.
* Not to rectify soft metals on large wheels of grinding of granulation-size. Soft metal can accumulate in the wheel, probably making it break or causing soft metal with the "fly" in addition to wheel. To use the silicon carbide wheels for applications of non-steel such as carbides of grinding, the cast iron, and all non-ferrous metals. To employ aluminum oxide for the applications out of steel such as the steel of carbon, the parts forged of iron, the stainless steel, and other alloys.
By using abrasives without risk one of the most fundamental rules for the use of the products of grinding is without risk with the match gritting with the machine being employed. The catalogues of the manufacturers of abrasives indicate clearly which products are designed for which factory. Some employ icons or other charts of machine premise of abrasive matches. The operators should also seek similar information on the packing of product. In fact, the rule of safety from the not 1 for all the abrasive discs and the wheels are lira and to follow the information of safety included on the packing of product. If the packing were thrown, you ensure to know what you assembled on a machine and to follow suitable procedures of safety. What follows are ends for correctly employing and maintaining gritting.
General: * Not to rectify close to flammable materials. * If possible, parceling out or sand in a well-ventilated sector. * Protection of eye and face of use. * Gloves of safety of use. * To hold the grinding machine with the two hands. * To direct the sparks far from your body and far from the spectators. * Not to carry the clothing of coward-fitting of precision. * To wear the shirts or the guards of arm length-sheathed and the long trousers. * Not to carry the clothing polyester-type while rectifying. The polyester is an oil by-product and is flammable.
* If necessary, to employ a mask of dust or an approved respiratory protection adapted for materials being ground or being rectified. * To carry the protection of hearing when noise exposure exceeds the established levels of threshold. * If chattering or the vibration occurs during grinding, to stop the tool immediately. To determine the cause of the problem and to correct it before continuing. * To turn the actions; to employ on a first-in, the first-outside bases.
* Not to rectify soft metals on large wheels of grinding of granulation-size. Soft metal can accumulate in the wheel, probably making it break or causing soft metal with the "fly" in addition to wheel. To use the silicon carbide wheels for applications of non-steel such as carbides of grinding, the cast iron, and all non-ferrous metals. To employ aluminum oxide for the applications out of steel such as the steel of carbon, the parts forged of iron, the stainless steel, and other alloys.
Tempering Metals
By Jeff B.
Tempering is the process of making steel tough after it has been hardened, so that it will hold a cutting edge and resist cracking. Tempering makes the grain finer and the metal stronger. It does not affect the hardness, but increases the elastic limit and reduces the brittleness of the steel. In that tempering is usually performed immediately after hardening, it might be considered as a continuation of the former process.
The work or tool to be tempered is slowly heated to a cherry red and the cutting end is then dipped into water to a depth of 1/2 to 3/4 inch above the point (Figure 6). As soon as the point cools, still leaving the tool red above the part in water, remove the work from the bath and quickly rub the end with a fine emery cloth.
As the heat from the uncooled part gradually heats the point again, the color of the polished portion changes rapidly. When a certain color is reached, the tool should be completely immersed in the water until cold.
For lathe, planer, shaper and slotter tools, this color should be a light straw.
Reamers and taps should be cooled from an ordinary straw color.
Drills, punches and wood working tools should have a brown color.
Blue or light purple is right for cold chisels and screwdrivers.
Dark blue should be reached for springs and wood saws.
Darker colors than this, ranging through green and gray, denote that the piece has reached its ordinary temper, that is, it is partially annealed.
After properly hardening a spring by dipping in lard or fish oil, it should be held over a fire while still wet with the oil. The oil takes fire and burns off, properly tempering the spring.
Remember that self-hardening steels must never be dipped in water, and always remember for all work requiring degrees of heat, that the more carbon, the less heat.
Tempering is the process of making steel tough after it has been hardened, so that it will hold a cutting edge and resist cracking. Tempering makes the grain finer and the metal stronger. It does not affect the hardness, but increases the elastic limit and reduces the brittleness of the steel. In that tempering is usually performed immediately after hardening, it might be considered as a continuation of the former process.
The work or tool to be tempered is slowly heated to a cherry red and the cutting end is then dipped into water to a depth of 1/2 to 3/4 inch above the point (Figure 6). As soon as the point cools, still leaving the tool red above the part in water, remove the work from the bath and quickly rub the end with a fine emery cloth.
As the heat from the uncooled part gradually heats the point again, the color of the polished portion changes rapidly. When a certain color is reached, the tool should be completely immersed in the water until cold.
For lathe, planer, shaper and slotter tools, this color should be a light straw.
Reamers and taps should be cooled from an ordinary straw color.
Drills, punches and wood working tools should have a brown color.
Blue or light purple is right for cold chisels and screwdrivers.
Dark blue should be reached for springs and wood saws.
Darker colors than this, ranging through green and gray, denote that the piece has reached its ordinary temper, that is, it is partially annealed.
After properly hardening a spring by dipping in lard or fish oil, it should be held over a fire while still wet with the oil. The oil takes fire and burns off, properly tempering the spring.
Remember that self-hardening steels must never be dipped in water, and always remember for all work requiring degrees of heat, that the more carbon, the less heat.
Why You Need Anodizing of Metals
By Ron Victor
Aluminium alloys are always an excellent choice of metal for home machining. It can be used on mini-lathe to make telescope parts or camera adapters and other helpful bits and pieces. But there is an unfortunate drawback in using aluminium this way. The key advantage and disadvantage of this metal is its relative softness towards other metals such as steel. This supple nature makes it very easier to engine on a mini-lathe than steel, but, if once you have completed your part, it is very liable to tiny dents and surface scratches.
When chemically speaking, aluminium is an awfully reactive metal. We all are familiar with the action of our environment on iron. It will oxidise pretty readily to form iron oxide - or rust as more commonly known. Aluminium is highly reactive than iron, and, so, will rust more readily. Yet, with aluminium a rough coat of aluminium oxide will be formed which strongly inhibit further oxidation of the metal. Due to this aluminium is known for its elasticity in corrosive environments like car radiators or boats. In later period of time aluminium "rusts" - and slowly produce a white powdery coat.
For the aluminum industry there is a system to overcome the inbuilt softness of the metal and protects against oxidation. Using chemical process it is possible to build a layer of aluminium hydroxide on the surface of the metal that is very hard and more durable than the rough naturally oxidised film that normally forms. This process involves suspending the aluminium in acid bath and passing electric current through it. And this is known as anodizing. It is an electrochemical method that works with the porous makeup of the aluminum. This process thickens and toughens the naturally occurring protective oxide. Thus it offers a higher life span to the product. As anodic coating becomes part of the metal, it is one of the hardest substances for metal finishing. Anodizing also adds durability and color stability.
The advantage of anodizing aluminium is the latent of colored anodizing dye. It seeps into the microscopic pores of the anodized part and gives colors to it. This layer is then sealed and the color appears as part of the metal itself. This can generate great artistic effect, making aluminium parts with strikingly tasteless colors to ornament your motor bike or more topically, your telescope. With visual applications, black is the most popular anodizing color inorder to reduce the internal reflections. Of course, black is supposed to be one of the hardest colors to achieve and so the commercial black anodizing dye is fetching the highest price in the market.
Anodizing aluminium is a fairly simple process, and providing you can put your hands on the correct chemicals (sulfuric acid) it is rather straightforward to do simple anodizing aluminium in home. You could limit yourself to anodizing in fairly small amounts - but if you want to anodize a large object you require a lot of electrical power and acid, so if you want to it for an entire bike frame in one go, You can contact an aluminium anodizing company.
Aluminium alloys are always an excellent choice of metal for home machining. It can be used on mini-lathe to make telescope parts or camera adapters and other helpful bits and pieces. But there is an unfortunate drawback in using aluminium this way. The key advantage and disadvantage of this metal is its relative softness towards other metals such as steel. This supple nature makes it very easier to engine on a mini-lathe than steel, but, if once you have completed your part, it is very liable to tiny dents and surface scratches.
When chemically speaking, aluminium is an awfully reactive metal. We all are familiar with the action of our environment on iron. It will oxidise pretty readily to form iron oxide - or rust as more commonly known. Aluminium is highly reactive than iron, and, so, will rust more readily. Yet, with aluminium a rough coat of aluminium oxide will be formed which strongly inhibit further oxidation of the metal. Due to this aluminium is known for its elasticity in corrosive environments like car radiators or boats. In later period of time aluminium "rusts" - and slowly produce a white powdery coat.
For the aluminum industry there is a system to overcome the inbuilt softness of the metal and protects against oxidation. Using chemical process it is possible to build a layer of aluminium hydroxide on the surface of the metal that is very hard and more durable than the rough naturally oxidised film that normally forms. This process involves suspending the aluminium in acid bath and passing electric current through it. And this is known as anodizing. It is an electrochemical method that works with the porous makeup of the aluminum. This process thickens and toughens the naturally occurring protective oxide. Thus it offers a higher life span to the product. As anodic coating becomes part of the metal, it is one of the hardest substances for metal finishing. Anodizing also adds durability and color stability.
The advantage of anodizing aluminium is the latent of colored anodizing dye. It seeps into the microscopic pores of the anodized part and gives colors to it. This layer is then sealed and the color appears as part of the metal itself. This can generate great artistic effect, making aluminium parts with strikingly tasteless colors to ornament your motor bike or more topically, your telescope. With visual applications, black is the most popular anodizing color inorder to reduce the internal reflections. Of course, black is supposed to be one of the hardest colors to achieve and so the commercial black anodizing dye is fetching the highest price in the market.
Anodizing aluminium is a fairly simple process, and providing you can put your hands on the correct chemicals (sulfuric acid) it is rather straightforward to do simple anodizing aluminium in home. You could limit yourself to anodizing in fairly small amounts - but if you want to anodize a large object you require a lot of electrical power and acid, so if you want to it for an entire bike frame in one go, You can contact an aluminium anodizing company.
