Model: 3 (E46)
Car Fitment: bmw
Type: Build-in 2DIN
OS: Android 11
Screen Type: Capacitive Touch Screen
Screen Size: 9
Function: SDK, GPS, Stereo, HANDSFREE, TPMS, RGB, Remote Control, Amplifier, OBD2, DSP, CarPlay, Mirror Link, picture in picture, Built-in Microphone, Split Screen, File Manager, Torque Pro, Hi-Res Audio, Car Steering Wheel Control, Built-In Speaker
Connection: usb, SD Card, TF Card, 3G/4G Sim Card, Custom Plastic Injection Mold ABS Electronic Equipment Shell Parts Mold Design Mold Manufacturing Service Built-in WiFi
Combination: Bluetooth-Enabled, Built-in GPS, CD Player, MP3 / MP4 Players, Radio Tuner, Touch Screen, DVR, FM Transmitter, Backup camera, CD/VCD Player, AUX Port, HDMI In/Out, Reversing Aid
Warranty: 12 Months
Model Number: KD-SP4906
Screen: 9” digital 1571×600 touch screen
Steering Wheel control: support
Carplay and Android Auto: built-in
Wifi 3G: Support
Car Make: For BMW E46 M3 318/320/325/330/335
Operation System: Android 11
OSD langauge: Russian Spanish French Dutch Germany English
CPU: Quad Core ARM A7 4*1.5 GHz
Packaging Details: 1pcs/gif box4pcs/ carton
2 din Android 11 Auto Radio for BMW E46 M3 318/320/325/330/335 Carplay 4G Car Multimedia GPS DSP autoradio Wifi Steering wheel NO DVD Wifi 3G steering wheel control
Detail Specifications:Pure Android 11 Version.(Latestandroid version in China)
0.Built Inside Carplay 1.1280×480 HD Capacitive Touch Screen2.CPU: Android 11 64 Bit Quad-core ARM A7 4*1.5 GHz3.RAM(Memory): 1GB DDR3 4.Inand Flash: 16GB5.Support 1080P+Support Lossless music 6.Support Steering Wheel Control(If your car have it) 7.BT Phonebook Search From “A to Z” 8.9″Capacitive iPS Multi-touch screen9.Wifi Built-in, Do not need connect external Wifi Xihu (West Lake) Dis.le,Can get WLAN 10. 8GB Map Card As Gift(If We do not have the country that you need, would send Empty SD Card as gift) 11. Built in MIC 12. OSD Language: English/ Russian/ French/ German/ Spanish/ Italian/ Arabic/ Portuguese/Turkish/Thai/Poli sh/Hebrew etc over 20 kinds language14. Support Media Card/GPS Card/ USB Stick up to 512GB SD card 15. DIY Main Menu Display: You can drag Search Bar, Weather Forecast widgets, Music/Radio/BT-Stereo Player,Apps or other Bookmarks on main menu to display16. Built-In Clock and Calendar, it has a Real Clock to show time, OEM Service Injection Molding Supplier Nylon Plastic Molding Parts Electric Bracket CanDo Mold Manufacturer Clock/Date/Week adjustable17. Choose 76 open unit logos and Radio Area in Factory Settings18. 8 live wallpapers, 21 wallpapers, support DIY wallpaper from Gallery Pictures19.Built-in WiFi dongle, support 802.11b/g/n WLAN Standard, High Performance, Low Power Consumption20.Support 3G Internet, support extral USB Xihu (West Lake) Dis.le: WCDMA,EVDO,TD-SCDMA. 21 Support Google Maps online Navigating, you can use GPS Navigating if you in Internet22 Support Android Maps Navigation, Free 8GB TF Card with maps will be in parcel contents included23 Support Dual Zone function, while Navigating you can listen music or radio at the same time24 Support Android Multimedia Player, it can play Music/Movie/Photo from local Disc or connected TF Card.25 Online Entertainment, support online video, TV, movie, music, radio, Youtube, Yahoo, MSN…26 Online Communication, keep connected through WeChat, Twitter, High precision custom die tooling manufacturer rapid quality industrial small parts maker making cheap CZPT plastic injection Facebook, Gtalk, Gmail and other services27. Support read and edit Official Software, WORD/EXCEL/POWERPOINT/PDF/TXT.28. Support Google Play Store, you can download thousands of Apps from here and you can down many 29. Support 3D Games, HD Video, 1080P, H.264, DIVX Live images Formats30. Support HD Videos up to 1920*1080 pixels, Photo up to 4096*4096 pixels31. 4 x 45w Surround Stereo, Subwoofer Output32. Support BT hands-free function, built-in microphone 33. Support A2DP BT, can play stereo music through BT from your Phone34. Download phone book function, you can download contact information from your phone to this unit35. Support the newest Phone Book Search, you can search&find a contact member in downloaded phone book,just input the first letter of name, you will find some associated names, then you can choose the right one36. Radio Tuner with RDS, 30 Preset Radio Stations (FM: 3*6, AM: 2*6)37. USB Port and Micro SD Slot, Support USB Stick and Memory Card up to 32GB38.Built-in Car DVR System, just connect with a USB Camera to use Car Record function. the records will be saved in GPS card automatically, RJC Custom Injection Mold Acrylic Casing Plastic Injection Transparent Parts Pmma Material Acrylic Injection Molding Products and you can play saved record on this unit directly.39. Support External MPEG2/MPEG4/ISDB-T Box input T2, Touch Control and Power supply(Optional)40. Support Rear View Camera input and reverse trigger Control41. Support Steering Wheel control function
Types of Gearboxes
There are several types of gearboxes. Some are known as helical gear reducers, while others are called planetary gearboxes. The article also discusses Continuously Variable Transmission (CVT) and helical gear reducer. If you are interested in purchasing a new gearbox, make sure to read our articles on these different types. If you are confused, consider reading our articles on planetary gearboxes and helical gear reducers.
The planetary gearbox has several advantages. Its compact design and light weight allows it to transmit high torques while remaining quiet. The gears are connected to one another through a carrier, which is typically fixed and helps transmit torques to the output shaft. Its planetary structure arrangement also reduces backlash and provides high rigidity, which is important for quick start and stop cycles and rotational direction change. Depending on the design and performance desired, planetary gearboxes are categorized into three main types:
The type of planetary gears used in a given application determines the overall cost of the unit. Manufacturers offer a range of prices, and they can help you determine which gearbox is right for your needs. You should also ask a manufacturer for the cost of a planetary gearbox. By asking about price and specs, you can avoid wasting money and time on a planetary gearbox that does not perform up to its potential.
A planetary gearbox is probably installed in your new car’s automatic transmission. For more information, consult your owner’s manual or call the dealer’s service department. This type of gearbox is more complex than other types of gearboxes, so if you don’t know much about them, do an internet search for “planetary gearbox.”
The teeth of a planetary gearbox are formed by the stepping motion of two gears: the sun gear and the inner ring. The sun gear is the input, while the planetary gears rotate around the sun gear. Their ratio depends on the number of teeth and the space between the planets. If you have a 24 tooth sun gear, the planetary gears’ ratio will be -3/2. The sun gear is also attached to the axle.
Another advantage of a planetary gear system is that it can generate high torques. The load is shared among multiple planet gears. This makes the gears more resilient to damage. A planetary gearbox can be as high as 332,000 Nm, and can be used in vehicles and industrial applications requiring medium to high torque. A planetary gear system is a great alternative to a traditional transmission. So, how does it work?
The main difference between the helical gearbox and the spur gear is the center distance between the teeth. The helical gearbox has a larger pitch circle than the spur gear and thus requires a radial module. In addition, the two types of gears can only be made with the same tooth-cutting tool as the spur gear. However, the helical gearbox is more efficient in terms of production costs.
The helical gearbox is a low-power consumption, compact type of gearbox that is used for a wide range of industrial applications. They are highly durable and withstand high loads with utmost efficiency. The helical gearbox can be manufactured in cast steel and iron for small and medium units. This type of gearbox is also commonly used for crushers, conveyors, coolers, and other applications that need low power.
The helical gear has many advantages over the spur gear. It produces less noise. It has less friction and is less likely to wear out. It is also quieter than spur gears. This is because multiple teeth are in mesh. Because the teeth are in mesh, the load is distributed over a larger area, resulting in a smoother transition between gears. The reduction in noise and vibration reduces the risk of damaging the gear.
The helical gear’s axial excitation force is obtained using a linearized equation of motion in the rotational direction. The damping coefficient of the equation is 0.07. The helical gear is made up of a steel shaft with a diameter of 20 mm and a 5 mm thick aluminum plate. The stiffness of the bearing is 6.84 x 107 N/m. The damping force of the plate is 2,040 kg/m2/s.
The worm gearbox has a better efficiency ratio than the helical one, but it is less efficient in low-ratio applications. In general, worm gearboxes are more efficient than helical gearboxes, although there are some exceptions to this rule. A helical gearbox is better for applications that require high torque. It may also be more economical in the long run. If you are considering a helical gearbox, consider the advantages it has over worm gearboxes.
helical gear reducer
A helical gear reducer for a machine’s gearbox is an integral component of the drive system. This unit amplifies torque and controls speed and, therefore, compliments the engine by rotating slower than the engine’s input shaft. A helical gear reducer is a compact gearbox component that is used in industrial applications. A variety of sizes is available to suit various machine configurations. The following sections will discuss some of the different types available.
Designed by experts and engineers, a helical gear reducer is a surprisingly small and light gear that satisfies the needs of many machine applications. It features a large transmission torque, a low starting and running speed, and a fine classification of transmission ratios. A helical gear reducer is lightweight and easily connected to other gears, and it features a high technical content.
In order to avoid errors and poor performance, regular maintenance is a must. The proper lubrication of the gear reducer can minimize failures, errors, and poor performance. Every gear reducer manufacturer sells a suitable lubricant, which must match the properties of the machine’s drive mechanism. It is also advisable to check the lubrication regularly to avoid any deterioration of the unit’s performance.
While the worm gearbox may be better for applications where torque is high, the helical gear reducer offers greater efficiency at lower cost. Although worm gearboxes may be cheaper initially, they are less effective at higher ratios. Even if the worm gear is more expensive to buy, it still offers 94% efficiency, which makes it more cost-effective. There are some significant advantages to both types of gearboxes.
The main advantage of a helical gear reducer over a spur gear is its smoother operation. Unlike spur gears, which have teeth that are straight, helical gears have angled teeth that gradually engage with each other. This helps ensure that the gear does not grind or make excessive noise when it turns. Additionally, they are less commonly used in automation and precision machinery. They are often used in industrial applications.
Continuously variable transmission
A Continuously Variable Transmission (CVT) is an automatic transmission that can run through a vast number of gears. Unlike a standard automatic transmission, it can run at any speed, even at a low rev. The CVT is also capable of running at infinitely low gears. Its basic function is to provide different torque ratios to the engine. In addition to delivering power, CVTs have other benefits.
One of the major advantages of a CVT is its simplicity. Its simplicity translates into fewer moving parts, which means less maintenance. The CVT’s simplicity also means that it can handle a wide variety of different types of road conditions and driving styles. In addition to being a great alternative to a traditional automatic transmission, CVTs can be used on many other types of vehicles, including tractors, snowmobiles, motor scooters, and power tools.
A CVT is much smoother than a conventional automatic transmission. It never has to hunt for a gear. It also responds well to throttle inputs and speed changes. Both of these technologies are available on many modern vehicles, including the Nissan Rogue and Mazda CX-5. It’s important to note that each of these transmissions has its pros and cons. So, if you’re looking for a car with a CVT, make sure to read the reviews. They’ll help you decide which transmission is right for you.
Another advantage of a CVT is its fuel efficiency. Many cars now feature CVTs, and they’re becoming increasingly popular with automakers. In addition to fuel efficiency, most cars with CVTs also have a smoother ride. There’s no more sudden downshifts or gear hunting. This makes driving a lot easier. And, the added benefits of smoother driving make CVTs the ideal choice for many drivers.
Although a CVT is more common among Japanese car manufacturers, you’ll find CVTs on European car models as well. The Mercedes-Benz A-Class, B-Class, and Megane are some examples of vehicles that use this technology. Before making a decision, consider the reliability of the model in question. Consumer Reports is a good resource for this. It also offers a history of use and reliability for every type of car, including the Honda Accord.
editor by czh2023-02-14