China OEM Medical Instruments Equipment PCBA Electronics Components Assembly with Good quality

Product Description

 

Product Description

Basic Information

Model Number GT-Med-57115 Brand Name Grandtop
Place of Origin CN;GUA Base Material FR-4
Copper Thickness 0.5oz-6oz Board Thickness 0.1 to 6.0mm(4 to 240mil)
Min. Hole Size 0.25mm Min. Line Width 3mil
Min. Line Spacing 0.1mm(4mil) Surface Finishing HASL
tem name SMT Through-hole PCB pcba prototype Assembly Application Medical PCBA,Financial PCBA ,New Energy PCBA,Industrial Co
Certificate ISO/UL/RoHS/CE Usage OEM Electronics
Solder mask color
 
Black.Red.Yellow.White.Blue.Green Product name: pcb assembly manufacture

Supply Ability
 

Supply Ability
 
3000000 Piece/Pieces per Month

Packaging & Delivery

Packaging Details anti bag+ plastic box+ carton
anti bubble bag+ paper card+ carton
customized PCB Assembly package
Port
 
HangZhou

SMT Through-hole PCB pcba prototype Assembly

Application

 

Our Services

PCB capability and services:

1.Lead-free PCB manufacturing  ,such as Single-sided, double side & multi-layer PCB. FPC. Flex Rigid PCB with competitive price, good quality  and excellent service.

2. CEM-1, CEM-3 FR-4, FR-4 High TG, Aluminum base material, Polyimide, etc. 

3.HAL, HAL lead free, Immersion Gold/ Silver/Tin, OSP surface treatment.

4. From small prototype assemblies to high volume mass production and everything in between

5.100% E-Test

 

SMT(Surface Mounting technology),DIP.

1. Parts procurement(for turnkey orders) 

2. Parts verification & kit preparation 

3. Paste stencil fabrication  

4. SMT Assembly \ THT Assembly (wave solder if applicable) 

5. Complex pcb assembly

6. 100% AOI and X-Ray testing

7. The firmware burned in the MCU & programming 

8. ICT testing and Function testing as requested

9. PCB Conformal coating

10. RoHS compliant lead-free assembly 

11. Rapid prototyping 

12. Cable Assembly & Wire Harnesses 

13. Mold making / plastic injection molding 

14. Final box-build assembly & packing services 

15. OEM/ODM also welcomed

 

Production Capacity
PCB Max. size DIP capacity
Min component   size 5711
Min.pin space of IC 0.3mm
Min. space of BGA 0.3mm
Max.precision of IC assembly ±0.03mm
SMT capacity
≥2 million points/day
DIP capacity ≥100k parts/day

 EMS  Capacity
electronic product final assembly 100k/month

 

Why Choose us

 High Quality
ISO9001 certified company, we have a very robust quality system and professional quality team;
Reliable Supply Chain,We have established long-term strategic cooperation with the top electronic components manufacturers all over the world, such as Xihu (West Lake) Dis.x, TI, Avnet, Future and etc;High manufacturing capability, our PCB can reach a max layers of 64, minimum placement component size can meet 5711 and minimum placement spacing of BGA can meet 0.3mm;We have complete inspection and testing for PCBA, including SPI,AOI,ICT,FCT,X-RAY,ROHS and aging.
Quick Response
We offer fast and opened BOM quotation to customers;10 years of cooperation experience with European and North American clients, quickly and professionally respond customer requirements.
One Stop Service
We professionally offer the service of PCB Assembly (SMT, DIP, MI, AI), component procurement, product final assembly, testing, PCBA conformal coating, electronic product design and peripheral products support, etc;Our factory is located in HangZhou, and besides we have warehouses in Hongkong, Europe and North America. We can prepare boards at the warehouse which is close to the customer and afford Kanban service according to customer requirements.

 

Company Profile

HangZhou Grandtop Electronics Co., Ltd was founded in 2005,we are a manufacturer who are qualified, experienced specialized in PCB Assembly (SMT, DIP, AI) and one-stop
Electronic Manufacturing Services (EMS) for global customers.

We have more than 10 years of CZPT manufacturing experience, well appointed  SMT ,DIP and assembly lines, offering 1 stop service from SMT,FPC,DIP,EMS, conformal coating, testing, final assembly, component procurement ,design, peripheral products support and so on. we are equipped with High-speed and accurately CZPT Equipment ,and we provide a whole range of SPI,AOI,ICT,FCT,X-RAY,ROHS and aging testing for products. All ourshop floors are dust free, all lines are lead free, we are ISO9001 certified company.

We open bom cost quotation,with high quality control strategy and 8D analysis method,we focus on top market customers, such as PCBAs on medical , industrial , financial,robotic,automobile , New Energy and so on.our services extend from small prototype assemblies to high volume mass production and everything in between. we service for many global customers,such as the globe leader Buhler in CZPT processing and a leading solution provider;the top 3 Landwind in medical industry customer in China; the global leader Telehealth Sensors in automobile industry and so on.

Equipments

 

Our customers over the world

Packaging & Shipping

 

 

FAQ

Q1:What is needed for quotation
·PCB: Quantity, Gerber file and Technic requirements(material,surface finish treatment, copper thickness,board thickness ,…)
·PCBA: PCB information, BOM, (Testing documents…)
Full assembly product: PCBA Information and product buidinformation

Q2:. Are you a manufacture?
Yes,we are. Warmly welcome to visit our factory at any time

Q3. Are my files safe?
Your files are held in complete safety and security.We protect the intellectual property for our customers in the whole process.. All documents from customers are never shared with any third parties.

Q4; What is the delivery time?
Normal: 5-7 workingdays for samples, 7-25working days for bulk production.
For Urgent project: We can arrange preferential processing and control the delivery time as you request

Q5. Do you have MOQ?
There is no MOQ.We are CZPT to handle Small as well as large volume production with flexibility.

Q6: What is the payment term?
100%T/T in advance normally;50% deposit,50% balance by T/T before shipment

Q7. Shipping cost?
The shipping cost is determined by the destination, weight, packing size of the goods. Please let us know if you need us to quote you the shipping cost. 

Contacts

Overseas Sales Manager

John Z. C.
Facebook: JohnZC5117

HangZhou Grandtop Electronics Co., Ltd.
Add:2-3 Floor, Building15, Hualun Technology Park,

Xihu (West Lake) Dis.ng First Industrial Zone,Fuyong Town, Bao’an, HangZhou, China

 

Office in the US

John Z. C.
Overseas Sales Manager
Address:3280 B ST NW,AUBURN WA 98001
Tel:(360)421-6700
Facebook: JohnZC5117  

 

 
 

Advantages and disadvantages of roller chains

If you need to lift heavy objects, you should know how to use a roller chain. Its simple design and simplicity make it ideal for a wide range of applications. This article will discuss the advantages and different types of applications of roller chains. After reading this article, you will be able to choose the type of roller chain that best suits your specific needs. In the next section, we’ll discuss how to deal with it.

Put on

How to measure the wear of a roller chain? There are several methods available, but the most accurate is to use a wear gauge kit. The CZPT Chain Wear Indicator Kit measures chain elongation. Compliant with ANSI and British Standards, this tool is critical to the industry chain and can help you determine when replacement is required. Improper chain maintenance can cause equipment to slip or perform poorly, resulting in unnecessary downtime.
In addition to measuring the elongation of the roller chain, it is also possible to measure the pitch of the rollers. This measurement represents the ANSI #80 standard for roller chains. Vernier calipers can also be used to measure the pitch of chains. This tool is very useful and also acts as a bottle opener. You can even use it as a wear gauge. This way, you can determine if the roller chain needs to be replaced.
The wear resistance of a roller chain can extend its life by 10% or more. However, proper lubrication and general maintenance are essential to ensure the longest lifespan of your chain. The manufacturing process of a roller chain assembly also plays a crucial role in determining its service life. For longer life, you might consider purchasing a heavy-duty series roller chain with thicker side plates and longer pins. If you need greater working load capacity, you can also consider heavy-duty chains.
High-quality components are critical to the longevity of the roller chain. High-quality roller chain components require precise heat treatment processes. The use of proprietary steel allows the company to manufacture more durable drums. The pins are manufactured to tight tolerances and then undergo a centerless grinding process. This process removes any surface defects, resulting in a mirror finish on the pins. The uniformity of this surface finish also ensures that the load is evenly distributed on the pins, extending the life of the chain.
chain

Material

Among the materials used in roller chains, carbon steel and alloy steel are the most common. However, stainless steel is used in food processing equipment and applications that require lubrication. Other materials used for roller chains include nylon and brass. For more information, see the USACE Material Specification Sheet for more information. You can also find information about the performance of a roller chain by its design. But before choosing 1 of these materials, consider its pros and cons.
Stainless steel is an excellent choice for roller chains. It is corrosion-resistant and can operate in extreme temperatures without cracking. Stainless steel is a non-magnetic material that can operate in a temperature range of -200 degrees to +700 degrees Fahrenheit. In addition to its corrosion-resistant properties, stainless steel can withstand a variety of environments and can be used in heavy-duty applications. The MEGA series is the strongest stainless steel roller chain in the world.

Application

As the name suggests, a roller chain has 5 basic components: pins, bushings, rollers, and pin chainplates. These components are precision engineered to ensure optimum performance and durability. Typical applications include drives and conveyor belts. The various components of the roller chain can be customized to specific needs. Read on to learn more about how these parts work together. This article presents the advantages and disadvantages of different types of roller chains and discusses their applications.
A roller chain is a form of chain drive consisting of short cylindrical rollers connected together by side links and gears called sprockets. While these devices are simple, they have some limitations. In most cases, sprockets must be designed with a maximum tensile load on 1 tooth to prevent premature chain failure. Therefore, these chains are less efficient than belt drives with higher inertia.
Roller chains are usually made of carbon or alloy steel, although stainless steel is often used where food processing machinery and lubrication are problematic. Sometimes, nylon and brass are used. The maximum running speed of the roller chain is important for some applications, but it also provides economic benefits for users and manufacturers. The maximum running speed of a roller chain is usually governed by a wear limit, which can vary by application.
The global roller chain market is expected to grow at a CAGR of over 5.4% over the next 6 years. The research report covers the competitive landscape and key factors influencing the market. The report also analyzes the growth potential, product utilization, and pricing models of key vendors. It also covers the SWOT analysis of the key players in the industry. The study provides a comprehensive market analysis of all these factors and more. It also highlights key players and their strategies and identifies the fastest growing regions for their products and services.

Maintain

Because rollers are exposed to a variety of environments, including snow, rain, and muddy roads, regular maintenance is required to prevent damage. Because they must encounter these elements frequently, frequent inspections are important to prevent rust and other damage. Also, avoid pouring acidic or alkaline cleaning products on the roller chain. Instead, use hot water with hand sanitizer or a disposable toothbrush to clean the rollers. Washing the chain directly with water has little effect.
For small rollers, the workload during the break-in period should not be too large, otherwise, it will cause overheating. The small drum should also be inspected frequently for any unusual appearance, which may indicate that the system is not functioning properly. In this case, the operation must be suspended. Failure to do so could result in serious injury or a facility fire. Additionally, a properly lubricated roller chain is essential to ensure long-term performance.
The surface of the roller is often rusted and scratched. Over time, these little scars can spread to the drive, damaging it. Also, the chain may not be properly spaced and timed. Therefore, it is very important to check regularly to ensure that the chain is in top condition. When the chain wears to 3% or more, the entire roller chain needs to be replaced. Failure to do so may damage the drive, the roller sprocket, or the entire chain.
Given the chain’s processing environment, lubrication is critical to its performance. If the chain is lubricated, it must be re-lubricated frequently. However, lubricated roller chains are susceptible to contamination, especially in the biomass industry. In these environments, airborne organic particles and debris from the biomass industry can contaminate lubricated roller chains. This is why maintenance is important for lubricating roller chains.
chain

Preloading

The benefits of preloading roller chains are well documented. In general, preloading eliminates the initial elongation of the roller chain, increasing its service life. Preloading is an effective way to achieve this, and a preloading chart can help illustrate the benefits of this process. Chains with little or no preload will stretch significantly during drive start, while chains will stretch rapidly as the surface hardness of the wear parts increases. Additionally, a properly preloaded chain has little or no elongation during the initial start-up of the drive, extending wear life.
Premium manufacturers apply the preload concept during their production phase, aligning all major components at the same time. This approach helps eliminate elongation issues that lead to rapid degradation of the roller chain. If this is not checked, the chain drive will stretch immediately over time. To avoid these problems, it is important to purchase a high-quality preloaded roller chain from a reputable source.
The heat treatment process is an effective way to prevent excessive wear of the roller chain. Heat treatment is a complex process that takes place in a factory during manufacturing. This process helps the rollers maintain high hardness and depth, preventing breakage. When buying a roller chain, make sure that the chain is heat treated and that the chain is manufactured to a high degree of precision. It also ensures that the product can be used for a long time.
In addition to performance benefits, preloading can also reduce initial elongation. A preloaded roller chain will exhibit near linear elongation, whereas a non-preloaded chain will experience rapid elongation. Therefore, they will reach the recommended 3% elongation earlier. Make sure the chain is properly lubricated. Also, consider how the chain is arranged. This is critical for optimal longevity.

China OEM Medical Instruments Equipment PCBA Electronics Components Assembly     with Good qualityChina OEM Medical Instruments Equipment PCBA Electronics Components Assembly     with Good quality

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