Quantcast
Jump to content
  • Welcome to Auto Parts Forum

    Whether you are a veteran automotive parts guru or just someone looking for some quick auto parts advice, register today and start a new topic in our forum. Registration is free and you can even sign up with social network platforms such as Facebook, Twitter, Google, and LinkedIn. 

     

Recommended Posts

Melt mold casting

One is to make the wax into a mold, coat it with several layers of refractory paint to make a mold shell, and then heat the mold, so that the mold melt, flow out, and baked into a certain strength mold, and then poured, shell and get a casting method. Process features: take the melting pattern as the starting mode. The precision of casting is high, and it is a method of little cutting. Its equipment is simple and production quantity is not restricted. It is mainly used for mass production and mass production. The drawback is that the process is complex and the production cycle is long.

Pressure casting - a casting process in which molten metal is rapidly pressed into the cavity of a metal mold under high pressure and solidified under pressure to obtain a casting. Process characteristics: High speed and high pressure were added to the metal mold casting to enhance the metal fluidity, which was mainly used in the batch production of non-ferrous alloy (such as aluminum, copper, magnesium, etc.) precision castings.

Centrifugal casting - a casting process in which molten metal is poured into a high-speed rotating mold to solidify liquid metal under centrifugal force to obtain a casting. Process features: compact structure, good casting quality. It is used to produce hollow castings.

Share this post


Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.


  • Similar Topics

    • By DataSN.io
      We are DataSN and glad to be part of the Auto Parts Forum community! We would like to offer something truely unique so please forgive me for posting here evangelizing our data set.
      If you want to open up an online auto parts store, the first thing you need is the auto parts data software so you can manage your inventory and showcase parts to your customers. We have just that.
      General Information
      ======================================
      Database Title: 1899-2019 Auto Parts Catalog Data by Make, Year, Model, Engine / Trim (US)
      Database URL:
      link hidden, please login to view
      Database Price: $279.00 / year
      Samples or Demo: (Please see 'Data Samples' section)
      Download Size: 47.11 GB + 403.21 GB
      Number of Tables: 18
      Primary Table Records: 40,140,182
      Last Update: 2020-10-01
      Data Description
      ======================================
      Description: This is an auto parts catalog data set with a total of 40,140,182 auto parts for the North America markets, including vehicle parts for models, engines, and trims of United States, Canada, and Mexico. Each part has oem numbers, price, description, images, and are classified by 246 makes, 5,670 years, 30,920 models, 55,977 engines or trims, and 572 manufacturers, etc., and also by 26 top categories and further by 4,165 secondary categories.
      There are 18 tables in this database. The part images package has 13,818,499 files.
      Attachment / Associated Media
      ======================================
      This database has attachment (associated images, videos, or any other media files).
      Download Size: 403.21 GB
      Number of Items: 13,818,499
      Format(s): JPEG
      Samples or Demo: (Please see 'Media Files' section)

      Available Formats
      ======================================
      Available Formats: While we do have a variety of formats available for our data sets, most popularly, MySQL, CSV, MS Excel, MS Access, XML, please see reach us for actual formats available for this database.

      Purchase & Download
      ======================================
      If you are interested in this database, please sign up on our site and subscribe to a plan. You will be directed to PayPal to make the payment. After payment, you will be immediately and automatically granted access to our API for the entire dataset. In case you need full download of the dataset, contact us on the website.
    • By Auto News
      link hidden, please login to viewLow power steering fluid is one reason why your car squeaks when turning the wheel. Does your car make a screeching noise when turning? There are several possible reasons why this is happening and it usually means you have to replace or fix a part or two. It’s always best to have a mechanic inspect your car to get a proper diagnosis but you can check out our list below to get an idea of what’s causing the problem.
      Causes of Car Noise
      Low amount of or contaminated power steering fluid – When your car makes a screeching noise when turning, it is possible your power steering fluid is running low. As you know, the fluid is used to lubricate your vehicle’s power steering system, so your car could squeal while you’re driving when you’ve lost too much fluid. Adding more fluid should fix the issue. Check out Auto Parts Warehouse for quality power steering fluid:
      link hidden, please login to view It’s also possible that your car makes noises because your power steering fluid is contaminated with dirt and debris. In this case, you will have to replace all the fluid in your car.
      Faulty power steering pump – The power steering pump needs lubrication to work properly. A damaged power steering pump due to low amount of fluid could be another cause of car noise when turning. Add fluid to solve the problem but if the noise remains, best consult a mechanic immediately as the pump might need to be replaced right away. Auto Parts Warehouse offers quality replacement power steering pumps right here:
      link hidden, please login to view Dry suspension and steering components – Suspension and steering components such as tie-rod ends, seals, ball joints, and universal joints should be lubricated in order to function properly. Even a single dry part can contribute to noise when turning.
      Loose belt – Squealing noises can also be due to a loose or worn out power steering belt. The power steering belt, which is responsible for supplying power to the power steering system, wears out or becomes loose due to constant use. Inspect for damage and replace it as soon as possible once you start hearing unusual noises.
      Interior trim rubbing – It’s possible for new cars to have the steering wheel housing rub against the interior trim when the weather is hot. When temperatures are high, these materials expand, causing gaps to close and producing noises.
      Tire issues – Underinflated tires, worn out tire treads, and loose wheel bolts can create screeching noise when turning. Always check if your tires and wheel cover are properly inflated and bolted. Tire rotation helps prevent treads from wearing out, so do it regularly.
      Worn out brake pads – You must check your brake pads right away if your brakes squeal while you’re driving because it usually indicates that the pads are already worn out and need replacing. Don’t wait for this squealing noise to turn into a grinding noise because then it means you’ve already severely damaged your brake components.
      Remember: your safety should be your primary concern while on the road, so check your car immediately when you start hearing unusual noises.

      The post
      link hidden, please login to view appeared first on link hidden, please login to view.
      link hidden, please login to view
    • By Joe Pagone
      Folks, following is my experience with the Napa in Washington, Pa. This situation is hard to believe.  Unfortunately, not one person in this shop will do the right thing. I've been in the car business and hobby for near 40 years and never seen people so blatently dishonest. If you know someone in Napa who gives a hoot, and could help with this, please email me.
       
      Downstairs of the parts store Napa has a their machine shop. Running this shop is George & his wife, Delores Jones. I dropped off a 1967 Pontiac 400 block, heads, tin, and rotating assembly. I needed the block boiled, bored .40 over, & decked. The heads needed hardened valve seats, regrinding of the valve seats and valve faces, and valves re-installed with new springs and keepers. decked, cleaned, & new valve seals installed. Also needed new bearings, and freeze plugs etc. Crank shaft to be cleaned and polished.
      George claims to be a Pontiac specialist, Great! Before I left, George and I talked about him stopping by my place and bringing some of the tools I don't have and his Pontiac experience, he would make sure I was assembling the engine correctly. He agreed to do this for a reduced price, which I thought was very reasonable. I offered that we could make an evening of it, he could bring his wife, and we could cook a meal or order out ,and make some of his favorite chocolate chip cookies too.
      Well after being told it would take 2 month, it actually took 7 months. I found out from another customer, he was not only telling other people about my business with him, he was making me out to be a fool, for not knowing how to assemble the engine. He actually PRETENDED to be a friend, and had NO intention of coming to my place.
      Worse that that, what I received back was a joke. The heads were not decked, despite needing it, the block was not decked, the valve covers were crushed somehow, the heads were full of steel shot, the crank shaft had stuffed oil holes & was not polished at all, the original valve keepers were re-used, except for one, which was did not fit correctly, I'm guessing to replace one they lost. The oil galley plugs were replaced using white water pump bolt sealer, All the valves were ground by hand, not machine, leaving three of the completely ruined. The valves were re-ground and re-installed despite 3 valves being bent. On top of that the cam bearings were scratched up badly, and he had ordered parts I did not want.
      When I told George about the poor and incorrect work, he became defensive, and refused to admit anything was wrong. They offered to un-bend the valve covers, and I let them try, it didn't work, George got mad again, and his boss William then refused to pay for originals, despite that being exactly what I had. They gave me under a hundred dollars to buy aftermarket covers, and that is all they refunded me.
      As for the rest of the work done wrong or not at all, William the owner said, sue me. Then he and George said they would bring people to testify against me!
      There is actually more to this, and it is worse than I wrote here, but this is the basic problem. I had to take the block, heads, and crankshaft to an engine shop in Uniontown, and re-spend the money to get the work I already paid Napa for.
    • By Erica Zhu Feilong Jiangli
      According to foreign media reports, Eni and Hera have long been committed to technological research and development and business development, aiming at promoting the circular economy model. Recently, the two companies signed an agreement to convert used vegetable oil into biofuels for Hera's waste collection vehicles.
      Hera will recycle waste vegetable oils from nearly 400 roadside containers and 120 collection centers and send them to the Biorefinery of Porto Marghera, Venice, under the Italian Eni Group.
      The refinery is the first in the world to produce green Diesel using biorefinery technology and recycled waste vegetable oil. Green diesel is a recyclable product, accounting for 15% of Enidiesel + products. The biofuel could power Hera's urban waste collection vehicles. Initially, Enidiesel + will be used in nearly 30 large models in Modena area to test and optimize the environmental impact of the soft material.
      Chongqing Feilong believes that everyone has the responsibility to protect the environment. Care for the environment, starting from me, starting from the dribs and drabs.
  • Our picks

    • Advance Auto Parts To Sponsor NASCAR Weekly Series In Multiyear Agreement
      DAYTONA BEACH, Fla. & RALEIGH, N.C.--(BUSINESS WIRE)--As NASCAR Weekly Series sanctioned events begin to return at select tracks across North America, NASCAR and Advance Auto Parts (NYSE: AAP), a leading automotive aftermarket parts provider, today announced a multiyear official partnership, designating Advance as the series entitlement sponsor. As part of the agreement, Advance also becomes the “Official Auto Parts Retailer of NASCAR.”

      "It's great to have Advance join us in welcoming the return of NASCAR-sanctioned grassroots racing," said Ben Kennedy, vice president, racing development, NASCAR. "Advance’s commitment to our Weekly Series will develop some of the brightest NASCAR talent across North America. Advance has a long history in racing, and we’re thrilled to see its expanded presence from the grassroots all the way through our national series.”
      • 0 replies
    • Advance Auto Parts Announces Purchase of the DieHard Brand from Transformco
      Advance Auto Parts, Inc. (NYSE: AAP) has acquired the DieHard brand from Transform Holdco LLC (“Transformco”), for $200 million utilizing cash on hand.

      “We are excited to acquire global ownership of an iconic American brand. DieHard will help differentiate Advance, drive increased DIY customer traffic and build a unique value proposition for our Professional customers and Independent Carquest partners. DieHard has the highest brand awareness and regard of any automotive battery brand in North America and will enable Advance to build a leadership position within the critical battery category,” said Tom Greco, president and CEO, Advance Auto Parts. “DieHard stands for durability and reliability and we will strengthen and leverage the brand in other battery categories, such as marine and recreational vehicles. We also see opportunities to extend DieHard in other automotive categories. We remain committed to providing our customers with high-quality products and excellent service. The addition of DieHard to our industry leading assortment of national brands, OE parts and owned brands will enable us to differentiate Advance and drive significant long-term shareholder value.”
      • 0 replies
    • AmazonBasics 6-Pack High Mileage Motor Oil - Synthetic Blend
      AmazonBasics High Mileage Motor Oil - Synthetic Blend

      AmazonBasics high-mileage synthetic-blend motor oil offers an enhanced level of protection for engines over 75,000 miles. Its synthetic blend combines conventional oil with synthetic for cost efficiency with some of the benefits of a full synthetic. An important part of routine maintenance, the motor oil works well for anything from topping off levels to complete oil changes. Whether it’s a beloved older vehicle or one with an uncertain maintenance history, help protect its engine with AmazonBasics high-mileage, synthetic-blend motor oil.
      • 3 replies
    • OEM vs. Aftermarket Parts for Your Car: How to Choose
      When selecting parts for a car repair, it pays to know the differences between original and aftermarket parts. Whenever possible, get estimates for both.

      Choosing between original and aftermarket car parts — and even used parts of either type — is all about squaring your priorities with your budget.

      You’ll have different options depending on the part and the shop. And the best choice will depend on whether you’re trying to keep repairs cheap, restore your car’s appearance after a wreck or soup up your ride.

      Original equipment manufacturer (OEM) parts match those that came with your car, and are of the same quality as its original parts. They’re also the most expensive.
        • Like
      • 1 reply
    • Replacement Intervals For Oil And Air Filters In Today’s Vehicles
      The factory-recommended replacement intervals for filters can vary quite a bit depending on the year, make and model of the vehicle, as well as how it is driven. As a rule, older vehicles (those more than 15 to 20 years old) typically have more frequent service intervals than newer vehicles. Why? Because late-model vehicles require less maintenance, thanks to improvements in motor oils, transmission fluids, engine design and filter media.

      Many long-life air and oil filters use synthetic fiber media or a blend of cellulose and synthetic fibers to extend filter life.

      Changing the oil and filter every 3,000 miles was standard practice decades ago. But it’s no longer necessary because most multi-viscosity oils today are a synthetic blend or a full synthetic that resist viscosity breakdown and oxidation for a much longer period of time. Late-model fuel-injected engines also run much cleaner than their carbureted ancestors, which reduces oil contamination in the crankcase.
        • Like
      • 0 replies
  • Similar Content

    • By Yu Billy
      OE NO:038109101R
      Name:camshaft
      Brand:Borsehung

      Applicable models of Borsehung 038109101R
      SKODA:
      FAB 02-04;05-08;07-10/OCT 01-11;04-08;09-13/RO 06-10/SUP 02-08;08-13
      VW:
      BE 99-10/BEC 03-10/BO 02-05/CA 04-11/CAMP 04-10/GOLF 98-09/GOPL 05-09/IMD 08-/JE 06-10/PA 97-11/PASY 97-99/PO 05-10/SHA 96-10/TOU 03-10/TR 03-10
      AUDI:
      A3 01-13/A4 99-01/A4Q 99-05/A6 98-05/A6Q 02-05
      SEAT:
      AL 01-02;03-05;06-08;09-10/ALT 04-06;07-10;11-13/CO 03-05;06-09/IB 02-05;06-10/LE 00-01;02-06;06-10;11-13/TO 99-01;02-04;05-09
      Borsehung 038109101R, a pure OE product with superb quality and a very competitive price, is now in ample supply. Welcome to place an order!
      Contact us
      Purchase link: https://www.borsehung.de/en/service-form/
      Email: [email protected]
    • By Yu Billy
      Function of 8V0698151/5QD698151
      8V0698151/5QD698151 is the most crucial safety part in the braking system. The result of all braking operations is determined by the braking pad.
      Common faults of 8V0698151/5QD698151
      1. Abnormal sound is often heard during braking.
      2. During high-load braking, the braking pad is prone to deformation due to severe wear under high temperature. In serious cases, a braking operation may fail.
      Reference NO: 8V0698151/5QD698151
      Name: Brake Pad Set, disc brake
      Brand: vika

      Applicable models of vika 8V0698151/5QD698151
      SKODA: OCT13-
      VW: GO13-14
      AUDI: A3 13-15
      SEAT :LE13-16
      Advantages of vika 8V0698151/5QD698151
      1. Thermo-stable: The refractory ceramic material is able to tolerate a temperature up to 650℃ during continuous braking operations. At high temperatures, this pad provides excellent braking without any deformation or melting. With a high braking torque, it helps shorten the braking distance.
      2. Dust-free: The advanced ceramic material reduces accumulation of dust effectively, and avoids development of rust or corrosion.
      3. Low noise: The beveled-edge design helps eliminate abnormal sound, and matches the braking disc perfectly, causing no harm to the latter.
      When should 8V0698151/5QD698151 be replaced?
      1. Visual inspection: A new braking pad typically measures about 15mm in thickness. If you discover through visual inspection that the pad is merely 5mm thick, it’s time to change it.
      2. Sound: If during a gentle braking process a hissing sound like that generated by iron pieces rubbing against each other is heard, the braking pad should be replaced without delay;
      3. Force required for braking: When the brake is pressed, if it feels less resistant than usual or shows dangerous insensitivity, the pad should be replaced.
      With a unique technical design, vika 8V0698151/5QD698151 reduces braking noise effectively, and provides a long service life due to excellent durability. Welcome to contact us for purchase.
      Contact us:
      Purchase link: http://www.tantivy.com/?page_id=2194&lang=en
      Email: [email protected]
    • By Sanly Wen
      Guangzhou Tomoi Auto Parts Co., Ltd. is located in Auto City, Guangzhou, China. We are a professional manufacturer of auto steering and suspension parts. We focus on producing tie rod end, rack end, stabilizer link and ball joints, and offering reasonable price and on-time delivery. With more than 30,000 square meter factory area, we currently have developed more than 1500 molds for Japanese, Korean and American vehicles. Our main features are listed as below.
      1) Under IATF 16949 standard
      2) Japanese 5S standardized workshop management
      3) strict manufacture and inspection processes
      4) apply special patent technology
      5) over 16 years R&D experience
      6) On time delivery and large output capacity
      7) OEM service offered,customer label accepted
      For more details and brochure, pls feel free to contact [email protected]
    • By Joe Pagone
      I have been a mechanic for many years. I used to buy Napa Auto Parts almost always. I felt the parts were good quality, although more expensive than others. It does not pay to install poor quality parts on a car, they come back, and bite you!  Unfortunately, a few years ago it seems Napa changed their policy on quality. This happened around the time they totally changed the on-line site.  Around the same time, I started looking at Rock Auto on-line. Rock Auto offers each part by a few different manufacturers, quality levels, and prices. I started noticing that despite Napa still charging higher prices, they were now supplying the cheapest, lowest quality parts instead of the better quality they were known for.  Given that, why would a person order from Napa, when Rock Auto is surprisingly lower priced, and you have a quality level choice . Napa seems to be riding on their previous well known name, while keeping the prices artificially high.
        Some prime examples of this is, I purchased a starter solenoid, (eckland, Napa's electrical brand), as a preventative measure. The third start-up, after installing, the solenoid froze in the on position, with key off, and kept the starter spinning and engaged until I could unhook one battery terminal. Burned up the relay, starter, and a couple wires.  I purchased a rebuilt alternator, took it from the box, and turned it, it felt rough turning, as if there was dirt in the bearing race or defective bearing components. I purchased Napa's best fuel pump, and it was very noisy from day one. I purchased a set of Napa Branded, 2 ton each, jack stands. One of them had a defective casting that would not allow the stop to lock in place. Although it seemed it locked, when weight was applied, it fell.  I purchased rebuilt Ford Front calipers from Napa, and with in one year, the unplated soft steel bleeder screws has rusted solid to the caliper!
      Are other people seeing this too??
    • By 袁春凤 (Tiffany)
      According to foreign media reports, sales of light vehicles in the United States last year (2018) were not only higher than those in 2017, but also exceeded analysts' expectations, with a total of 17.3 million vehicles sold. However, analysts and industry observers again said that due to a variety of economic factors, the U.S. light vehicle market will show a downward trend in 2019, but the decline is relatively small.
      Many analysts expect U.S. light vehicle sales to range from 16.5 million to 17 million in 2019. J.D. Power expects between 16.9 million and 17 million vehicles, with retail sales of light vehicles between 13.6 million and 13.7 million.
      As in 2018, the relative strength of the U.S. economy masked concerns about new car prices and rising interest rates. But in addition to these, there will be other problems in 2019, such as the impact of tariff and tax reform.
      As a auto parts supplier, Chongqing Feilong Jiangli will keep up-to-date information on new information and new energy industries.
×
×
  • Create New...

Copyright © 2020 AutoPartsForum Powered by Invision Community