selective solder machine

Simple Description

The design is made up of flux spraying, preheating, soldering features. The wave peak is stable and the servicing is simple, mechanical pump and electromagnetic pump are optional.

It may be made use of for soldering by just one solder machine or double solder machines. The utmost width for board passing can access 600 mm. Additional importantly, the device is often made use of for large output application scenarios.

Built-in full-function product, you will find 3 PCB boards or fixtures inside the equipment with the identical time working with the spraying, preheating and welding details, which increases the general production potential in the machine. Impartial spray movement system and independent welding movement platform.Pick the selective solder machine of SunzonTech, which perform perfectly even for lead-free soldering or multi-layer boards, to gear up your production chain.

Feature1. Flux Spraying Module

It adopts the initial Germany imported spray head, together with the opening diameter of 130μm.

The spraying diameter can be as tiny as 3μm, which tremendously cuts down ion air pollution.

It may effectively save the utilizing degree of scaling powder, the selective spraying will save not less than 90% of flux when compared together with the standard spraying.

It is actually offered having a flux filter, which cam properly stop the spraying head from staying blocked.

The piezoelectric kind injection valve plus the micro scale sort automation valve imported from Germany are optional.

By adopting the X/Y dual-axis servo motor management, while using the positioning precision achieving ±0.02mm.

2. Preheating Module

Preheating is split into unbiased temperature control in higher section and decreased part: it adopts sizzling wind convection preheating on leading, and short-wave infrared preheating on base, which raises heat performance, and in the meantime it guarantees uniformity of temperature.

3. Soldering Module

By adopting the patented Gauss tin soldering nozzles, it solves the problems of soldering once the units are dense

4. Versatility On your SMT Assembly

Adopted with modular style and design, in addition, it appropriate with SMEMA online relationship, aid customization for adaptable line assembly. Comprehensive pc command, parameters are established and saved on the laptop. Generating configuration data files are quick for traceability and preservation.

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The best wi-fi headset microphone

When you are a multitasker, you are on a continual lookup for products that enhance time and enhance productiveness. Likely hands-free is a technique to get in front of your litany of responsibilities, in addition to a wireless headset microphone can be a total game changer.

Wireless headset microphones supply you with the flexibility of staying hands-free and mobile. This implies it is possible to cross phone calls off your checklist best wireless headset microphone for speaking whilst your hands are if not occupied typing, taking notes, or switching diapers.

If you’re contemplating foregoing your normal cellular phone set up, think about upgrading to your wireless headset microphone. Our buying guideline presents an summary of features, furthermore we’re such as our leading decision,which includes a adaptable headset and plenty of seem configurations.

Concerns when selecting wireless headset microphones


Wi-fi headphones possibly protect each ears or just a single. Those that protect both ears are very best for noisy environments, considering that they typically have noise-canceling technological innovation. Single-ear headphones are low-profile and light-weight, so they are great for use at your home or in tiny places of work.


For that very best audio top quality, opt for wireless headset microphones with adjustable boom mics. These is usually moved closer to the mouth so your voice isn’t lost in ambient sound, or pushed farther away therefore you really don’t sound muffled.



Consolation should be among the main attributes you look at in wireless headset microphones, significantly when you intend on putting on them for an entire perform day. Information like cushioned ear pads and flexible headbands decrease force all-around your head. Some types include a lot more than one earpiece dimension, so you are able to select one which suits best.


Wireless headset microphones are appropriate that has a extensive assortment of gadgets, from smartphones to PA methods. It really is crucial to ensure machine compatibility just before you buy. When it comes to simplicity of connectivity, make certain the wireless headset microphone is simple to attach to units. This can help prevent setbacks and lost time as a consequence of specialized difficulties.


Vary won’t be considerably of a worry for those who plan to use your wi-fi headset microphone inside of a tiny or limited area. If you are mobile around a significant business, make sure its range accommodates how far you journey. Those with constrained ranges go over as many as 20 yards, while long-range styles access in terms of 100 yards or even more.

Battery daily life

Battery existence differs substantially in terms of wireless headset microphones. On common, you’ll be able to be expecting wherever in between eight and 24 hours of combined use.

Just because you commit far more money with a wireless headset microphone would not automatically imply it’s got superior battery life as opposed with economical versions. In truth, those with advanced performance typically drain batteries far more immediately than individuals with simple functions and features.

Vacation scenarios

Some wireless headset microphones come with vacation circumstances for easy portability. These are most typical in compact products, instead of people with larger sized stationary bases. Some scenarios can be a tender drawstring bag, while some others attribute difficult shells and molded interiors for far better security.

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Continuous Rotation Servos with Python along with the micro:little bit

Welcome to our 1st version of your microbit servo peripherals in Python series. This is the new series intended to teach micro:bit consumers on distinct peripherals. We’ll describe the peripheral and its utilizes, explain ways to use it using the micro:bit, and supply example Python code to function it. We hope to generate your adventures with Python along with the micro:little bit just a little bit additional pleasurable.

This primary installment is focused on constant rotation servo motors. There are actually two principal varieties of servo motors that can be applied while using the micro:bit: continual rotation servos and positional rotation servos. We’ve been going to include positional rotation servos inside our next posting. For now, ongoing rotation servos, you guessed it, can rotate repeatedly in possibly direction. These very small motors can operate on small DC electric power sources. They are able to supply all sorts of performance from turning wheels to managing pulleys and rotating objects.

Many of the illustrations delivered beneath are going to be performed making use of the FEETECH FS90R Continual Rotation Servo but will do the job with virtually any standard RC steady rotation servo.

SERVO Enter Traces:

Continuous rotation servos are nearly all identical. They work underneath some essential servo rules. Servos commonly settle for three enter traces: electrical power, ground, and signal.

The power line can settle for a DC electrical power supply. You can want to look at what voltage your peripheral is rated for before applying ability. The FEETECH FS90R was made to just take possibly 5V or 3V ability sources. The facility line must be connected right to your DC electrical power source.

The bottom line ought to be connected to the micro:little bit ground. It is actually essential that the two ground traces are connected making sure that the servo provides a reference to implement for that Sign line.

The sign line is connected to one of the Enter / Output attachment points over the micro:bit. This signal line is where by the magic transpires when managing a servo. This sign controls whether or not the servo is rotating, how briskly it can be rotating, and which route it can be turning.

THE Sign:

To operate a servo we have to mail it a 50 Hertz (Hz) pulsed sign. This is a conventional for approximately all DC servo motors. A pulsed sign appears to be like like this:

50 Hz means one particular pulse happens fifty times each 2nd. Should you crack it down one more way, 1 pulse is sent each individual 1/50th of a second which equals 20 milliseconds (ms for brief).

Ongoing servo motors also run along with the following regulations.

In the event the pulse is high or ON for one.0 ms all through individuals twenty ms then the Servo will run at 100% speed inside the clockwise course

If the pulse is significant or ON for one.5 ms for the duration of people 20 ms then the Servo is taken into account stopped

Should the pulse is large or ON for 2.0 ms through individuals twenty ms then the Servo will run at 100% pace from the counterclockwise direction

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the look Pondering Process: Prototype

ShareShare site on FacebookTweetShare page on TwitterShareShare webpage on LinkedInOne with the best ways to gain insights inside of a Design Thinking procedure will be to execute some form of prototyping. This technique entails generating an early, cheap, and scaled down edition of your solution to be able to reveal any issues with the current design. Prototyping delivers designers the opportunity to deliver their suggestions to existence, take a look at the practicability of your current design and style, and also to potentially investigate how a sample of consumers assume and really feel a few item.

Prototypes will often be utilized in the ultimate, testing section inside of a Design Contemplating system to be able to decide how people behave with all the prototype, to expose new remedies to troubles, or to find out whether the executed answers are prosperous. The outcome created from these checks are then utilized to redefine a number of of the issues set up from the before phases on the challenge, and also to build a a lot more strong knowledge from the issues end users could confront when interacting together with the solution in the meant surroundings.

Author/Copyright holder: Teo Yu Siang and Conversation Style Foundation. Copyright terms and licence: CC BY-NC-SA 3.0

The 5 stages in the Design Pondering process usually are not normally sequential ?a they do not really need to stick to any distinct order, they’re able to frequently take place in parallel and be repeated iteratively. Therefore, the phases ought to be understood as various modes that contribute to a undertaking, as an alternative to sequential ways.

hemtom is a professional one among the companies of rapid prototyping services.

When designers would like to establish and understand just how consumers will communicate with a product, probably the most obvious technique would be to take a look at how the people communicate with the item. It could be foolhardy and pointless to produce a concluded solution to the customers to test. As an alternative, designers can provide basic, scaled down variations of their goods, that may then be employed in get to observe, file, decide, and measure person efficiency concentrations according to distinct features, or maybe the users common behaviour, interactions, and reactions to the in general style and design. These before versions are identified as prototypes; they are not necessarily during the medium of the concluded merchandise as this may not be cost-effective in terms of time or revenue.

Prototypes are designed in order that designers can think regarding their solutions otherwise (tangible product instead of abstract ideas), in addition to to fall short quickly and cheaply, making sure that a lot less time and cash is invested in an concept that turns out to generally be a nasty a person. Tim Brown, CEO from the worldwide design and style and innovation business IDEO, claimed it best:

They sluggish us all the way down to pace us up. By finding the time to prototype our tips, we stay clear of expensive errors which include getting to be too advanced much too early and sticking that has a weak thought for far too very long

Tim Brown

Author/Copyright holder: Rodolphe Courtier. Copyright terms and licence: CC BY-SA two.0

As an example, when creating computer software, a design and style workforce may well produce several paper prototypes, as revealed in the graphic above, which the user can slowly work as a result of so as to exhibit on the design team or evaluators how they may tackle selected jobs or troubles. When establishing tangible devices, including the laptop mouse, designers could make use of a quantity of distinctive supplies to help them to check the basic know-how fundamental the item. With improvements in 3D printing technological innovation, creating prototypes is now usually a far more immediate and low priced course of action, and for a result this has allowed designers to deliver stakeholders with exact and testable/useable replica styles in advance of settling on a particular style.

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Which are the key things impacting the communication distance?

Which are the key things impacting the communication distance?

The leading aspects that impact the conversation distance are classified as the energy in the radio station, the sensitivity in the radio station, the height from the antenna, the type of antenna, the length and wire diameter of your feeder, the spectrum distribution of radio interference in the area, the relative position of tall structures or metallic objects and the antenna , Topography together with other environmental things.

Safety precautions for the use of in car intercom

1. On cars and trucks with airbags, never area the walkie-talkie within the array which might be associated once the airbag is deployed. If your walkie-talkie is in the region that could be included if the airbag is deployed, when the airbag is deployed swiftly, the walkie-talkie may well injure the occupants in the car or truck with fantastic affect.

2. In possibly explosive atmospheres or instances, except if the intercom is a specifically licensed explosion-proof intercom, the intercom has to be turned off. In most likely explosive atmospheres, electric sparks can cause explosions or fires.

3. Usually do not swap or cost the battery within a likely explosive atmosphere. The set up and elimination in the battery may possibly lead to get in touch with sparks and cause an explosion.

4. Change off the walkie-talkie just before approaching the blasting region and also the location to stay away from achievable explosion.

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制 作 時 間:35分鍾

發 酵 時 間:140分鍾

烹 飪 器 材:料理機 煮鍋

烹 飪 食 材:


中筋面粉 250g / 水 130ml

鹽 1/2小勺 / 澱粉 適量


小青菜 3棵 / 豆芽 100g

蒜蓉 適量 / 蔥花 3根

生抽 2小勺 / 植物油 4大勺

醋 2大勺 / 辣椒面 3小勺

花椒粉 1/2小勺 / 鹽 1小勺

清水(煮面) 適量

油(刷盤) 適量 / 幹辣椒 適量

1小勺=5ml / 一大勺=15ml

制 作 過 程:






























hiit 減肥HIIT減肥的好處是不受場地限制,在家或健身室都可以進行。雖然減肥不能針對某個部位,但女生仍然可以選擇針對身體某個部位進行更多的動作。



1. 雞蛋




2. 燕麥


燕麥裏含有一種叫作「 -聚葡萄糖」的可溶性纖維物質,能夠阻礙膽固醇的製造和吸收,使血液中膽固醇濃度降低,以減少日後罹患阿茲海默氏症的機率。


3. 南瓜、南瓜子



4. 豆腐


在國外的一項研究中,學生被分成兩組,其中一組吃了10周的醬油、大豆布丁和其他豆制品。 結果表明,記憶測試是漸進的,反應比其他一組不吃大量豆制品的學生更快。

5. 葡萄柚



hiit 減肥





精致這個詞其實是體現在配飾上。 我一直強調“不要在配飾上敷衍了事”,是時尚搭配中非常重要的一點,請下定決心選擇一件質地精良的配飾吧~它往往能夠提升原本並不突出的衣服,讓衣服看起來更加高檔。























Hoeslandt 荷仕蘭 的原奶均產自紐西蘭天然放養的乳牛,當地是無禽流感、無瘋牛症、無口蹄疫和低pM2.5的奶源國