15kw Fiber Laser Protective Lens Dia 40*9mm for Fiber Laser Cutting Engraving Machine
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Product Highlights
- High Transmittance: Transmittance exceeds 95%, ensuring high energy density and low loss.
- Durable Material: Made of high-purity optical glass or crystal materials for corrosion resistance.
- Customized Service: OEM and ODM services available with flexible customization options.
- Wide Application: Suitable for laser cutting, engraving, welding, and optical communication.
- Stable Performance: Maintains optical stability in high temperature and high humidity environments.
- ISO9001 Certified: Manufacturing process strictly follows ISO9001 and CE standards.
- Fast Delivery: Lead time within 15 workdays for both peak and off-peak seasons.
- Sample Support: Samples available for testing with reasonable charges based on negotiation.
Product Attributes
- Customization
- Available
- After-sales Service
- Online Support
- Warranty
- Online Support
- Model NO.
- 40*9
- Usage
- Optical, Protect The Focusing Lens
- Type
- Flat Lens
- Transmittance
- >95%
- Shape
- Plane Lens
- Material
- Optical Glass
- Lenses Color
- Clear
- Certification
- ISO9001, CE
- Customized
- Customized
- Coating
- Polished
- Model No.
- Laser Protective Lens
- Spare Parts Type
- Fiber Laser Protective Lens
- Applicable Industries
- Industrial Laser Equipment
- Brand
- OEM/ODM Customized Service
- Laser Type
- Fiber Laser
- Cutting Material
- PVD Znse Crystal Material
- Transport Package
- Box
- Specification
- 1 Pcs
- Trademark
- WEICHENG
- Origin
- China
- Production Capacity
- 10000
- Package Size
- 10.00cm * 10.00cm * 10.00cm
- Package Gross Weight
- 0.200kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of 15kw Fiber Laser Protective Lens Dia 40*9mm for Fiber Laser Cutting Engraving Machine
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Product Description
Fiber laser lenses are special optical components used in fiber laser systems, they are mainly used to control, focus, reflect or transmit the laser beam. These lenses are typically made of high-purity, low-absorption optical materials, such as fused quartz, calcium fluoride, or other special crystal materials, to ensure that the laser beam can maintain a high energy density and low loss as it passes through.
Fiber laser lenses are indispensable components in fiber lasers, they provide strong technical support for laser processing, communication, medical and scientific research and other fields by accurately controlling the transmission and reflection of the laser beam.

Specification(mm):
18*2/20*2/20*3/20*4/21.5*2/22.35*4/24*4/24.4*2/24.9*1.5
25.4*4/25*2/27*2/28*2/30*4/30*5/32*2/32*5/34*5/35*4/36*2/36*3/36*5/37*1.6/37*7/38.1*1.5/38*10/40*2/40*3/40*4/40*5
40*7/42*4/42*9/46*2/46*3/48*3/50*2/50*3/50*4/50*5/55X9
53*1.5/55*1.5
Plasma Power Source:Fiber Laser
High transmittance and reflectivity:
Fiber laser lenses are made of high purity glass or crystal materials, with extremely high transmittance and reflectivity, which can effectively control the energy distribution and direction of the laser beam. The specific values of transmittance and reflectivity depend on the design of the lens and the choice of materials, and can usually meet the needs of fiber lasers for high-precision laser beam control.
High stability and durability:
Fiber laser lenses can work stably in harsh environments such as high temperature, high humidity and high pressure, and are not susceptible to optical distortion caused by environmental factors. Its material has good corrosion resistance and wear resistance, and can maintain the stability of optical properties for a long time.
| Common Specifications | |
| Material | Quartz |
| Design Wavelength | 1064±30mm |
| Transmittance | 99.80% |
| Laser Damage Threshold (Reference Value) | pulse width 10ns |
| repetition frequency 20kHz | |
| Effective Diameter | 85% of the outer Diameter |
| coating φ10<=D | |
| Commonly used protective lens specifications, application occasions | ||||
| Coating color | Specifications | Quartz material | Applications | Applicable power |
| blue | 18*2 | JGS2 | handheld welding machine | 1.5KW |
| 18*2 | JGS1(high power) | handheld welding machine | 3KW | |
| 20*2 | JGS2 | handheld welding machine | 1.5KW | |
| 20*2 | JGS1(high power) | handheld welding machine | 3KW | |
| 20*3 | JGS2 | handheld welding machine | 2KW | |
| 20*4 | JGS2 | handheld welding machine | 3KW | |
| 21.5*2 | JGS2 | upper protective mirror | ||
| 22.35*4 | JGS2 | cutting | 4KW | |
| 24.9*1.5 | JGS2 | upper protective mirror | ||
| 25.4*4 | JGS2 | cutting | 4KW | |
| 25.4*5 | JGS2 | cutting | 5KW | |
| 26.5*5 | JGS2 | cutting | 5KW | |
| 28*4 | JGS2 | cutting | 4KW | |
| 28*4 | JGS1(high power) | cutting | 8KW | |
| 29.7*4.7 | JGS2 | cutting | 4KW | |
| 30*1.5 | JGS2 | welding | 1.5KW | |
| 30*2 | JGS2 | welding | 3KW | |
| 30*4 | JGS2 | welding | 6KW | |
| 30*5 | JGS2 | cutting | 5KW | |
| 30*5 | JGS1(high power) | cutting | 10KW | |
| 34*3 | JGS2 | cutting | 3KW | |
| 34*5 | JGS2 | cutting | 5KW | |
| 34*5 | JGS1(high power) | cutting | 12KW | |
| 36*2 | JGS2 | welding | 3KW | |
| 36*3 | JGS2 | welding | 4KW | |
| 36*5 | JGS2 | cutting | 5KW | |
| 37*7 | JGS2 | cutting | 6KW | |
| 37*7 | JGS1(high power) | cutting | 15KW | |
| 38.1*1.5 | JGS2 | upper protective mirror | ||
| 40*5 | JGS2 | cutting | 5KW | |
| 40*5 | JGS1(high power) | cutting | 12KW | |
| 50*2 | JGS2 | welding | 6KW | |
| 50*4 | JGS2 | cladding | 10KW | |
| 50*5 | JGS2 | cladding | 12KW | |
| 55*1.5 | JGS2 | welding | 6KW | |
| 55*1.5 | JGS1(high power) | welding | 12KW | |
| 134*3 | JGS2 | welding | 6KW | |
| 134*3 | JGS1(high power) | welding | 12KW | |
| yellow | 28*4 | JGS2 | cutting | 4KW |
| 30*5 | JGS2 | cutting | 5KW | |
| 34*5 | JGS2 | cutting | 5KW | |
| 37*7 | JGS2 | cutting | 6KW | |
| 40*2 | JGS2 | welding | 6KW | |
| 40*5 | JGS2 | cutting | 5KW | |
| 50*2 | JGS2 | welding | 6KW | |
| 55*1.5 | JGS2 | welding | 6KW | |
Application of fiber laser lens:
1.Laser processing:
In the process of laser cutting, laser drilling, laser etching and laser marking, fiber laser lenses are used to focus the laser beam
on a specific area to achieve high precision and high efficiency processing.
2.Laser printing:
Laser printing technology uses a laser beam to cut the image information into tiny points, and forms an image or text through a dot matrix arrangement. Fiber laser lenses are used in this process to control the direction and energy distribution of the laser beam, ensuring the accuracy of the print quality.
3.Laser measurement:
In the field of laser measurement, fiber laser lenses are used to control the direction and energy distribution of the laser beam to achieve accurate measurement of parameters such as distance, speed and shape of the object.
4.Optical communication:
In the field of optical communication, optical fiber transmission and laser modulation technology are used to achieve high-speed data transmission. Optical fiber laser lenses are used in optical fiber communication systems to control the direction and energy distribution of the laser beam to ensure the efficient transmission and reception of optical signals.
| List of Focusing/Collimating Lens Models for Fiber Laser Cutting Machine | |
| Diameter | focal length |
| 19mm | 80mm,120mm |
| 20mm | 80mm,120mm |
| 20mm | 50mm,80mm,120mm,150mm |
| 24mm | 120mm |
| 24.7mm | 75mm,125mm,150,mm |
| 25mm | 60mm,100mm,125mm |
| 25.4mm | 100mm,125mm,150,mm |
| 26mm | 75mm(Composite lenses),150mm |
| 28mm | 60mm,120mm,150mm,200mm |
| 28mm | 75mm,100mm,125mm,150mm |
| 30mm | 75mm,100mm,125mm,150mm,155mm,190.5mm,200mm |
| 34mm | 120mm,125mm,150mm,200mm |
| 37mm | 100mm,125mm,150mm,190mm,200mm |
| 38.1mm | 120mm,125mm,150mm,200mm |
| 38.1mm | 100mm,200mm |


About our factoryChangzhou Weicheng Welding and Cutting Manufacturer Co.,Ltd. is a manufacturer located in Changzhou, Jiangsu and near Shanghai with good location, convenient transportation and complement resources.We have our own factory and have advanced full automatic equipment to ensure the quality of all products. It strictly follows European & American Design and Use Standard and adopts an advanced management system and strict quality control. Our company has specialized in plasma welding and cutting machineparts for many years. Our main products include plasma cutting torch head and replacement parts such as plasma electrode, plasma nozzle and so on. We cooperate with manyfamous brands from different countries.
About our production equipment
We have multiple production lines and professional equipment such as vacuum plasma processing machines, plasma surface treatment machines, plasma cleaning machines, and plasma glue removers.
We can produce a large number of consumables such as plasma nozzles and plasma electrodes to improve product performance and quality.
Q1: Can I have a sample for testing?
A: Yes, we can support sample . The sample will be charged reasonably according to the negotiation between us.
Q2: Can I add my logo on the boxes/cartons?
A: Yes, we have a R&D capability and professional & efficient team, OEM and ODM are available from us.
Q3: What are the benefits of being a distributor?
A: Special discount Marketing protection.
Q4: How can you control the quality of products?
A: Yes, we have engineers ready to assist customers with technical support problems, any issues that may arise during the quoting
or installation process, as well as aftermarket support.
Q5: Can we mix items in full container?
A: Yes. We ship our products in bulk, usually 40 Feet High Cube Containers, but 20 feet containers are also acceptable.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR2441318". Items marked "" are certified.
Company Profile
Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.
We mainly engaged in consumable accessories such as plasma electrode cutting nozzle protective cap, as well as some eddy current rings in plasma cutting torch, fixed cover and other vulnerable parts, more domestic cutting torch and its vulnerable parts, we set the production and sales of one, many years of production experience so that our product quality has been maintained a good level. For the product optimization we are careful, we will always improve the details of our products, but also expand the variety of products, let our old customers get more benefits. It is our consistent tenet to provide customers with the best cost-effective products. To provide you with the best service, we will work harder. We will always be your best choice. Please do believe us.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Dongxin Industrial Park, Mahang Town, Wujin District, Changzhou, Jiangsu, China
-
Plant Area
- 1000 square meters
-
Number of Employees
- 20
-
Registered Capital
- 1,000,000 RMB
-
Terms of Payment
- LC, T/T, PayPal, D/P, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
- Peak Season Lead Time, within 15 workdays, Off Season Lead Time, within 15 workdays
-
Nearest Port
- Shanghai Port
-
Minimum Order Quantity
- 50 pcs
-
Supply Chain Partners
- 15
Our Production Capability & Technical Expertise
-
Main Products
- Plasma Cutting Nozzle, Plasma Electrode, Plasma Cutting Torch, Plasma Consumable, Plasma Swirl Ring, Plasma Shield Cap, Plasma Retaining Cap, Laser Consumable, Ceramic Shield Cap, Plasma Cutting Gun.
-
Production Lines
- 3
-
Production Machines
- CNC Lathe, Laser Marking Machine
-
Inspection Type for Finished Products
- 100% inspection Visual inspection Function inspection
-
Inspection Method for Finished Products
- Finished product checked by packing staff
-
Customization Options
- Customization from Samples,Customization from Designs,Full Customization,Minor Customization,Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 3 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2020-11-10
-
Export Year
- 3 years
-
Main Markets
- South America, Europe, Southeast Asia/ Mideast, Domestic
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 3
-
Overseas Agent/Branch
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- Can I have a sample for testing?
- Yes, we can support sample. The sample will be charged reasonably according to the negotiation between us.
- Can I add my logo on the boxes/cartons?
- Yes, we have a R&D capability and professional & efficient team, OEM and ODM are available from us.
- What are the benefits of being a distributor?
- Special discount Marketing protection.
- How can you control the quality of products?
- Yes, we have engineers ready to assist customers with technical support problems, any issues that may arise during the quoting or installation process, as well as aftermarket support.
- Can we mix items in full container?
- Yes. We ship our products in bulk, usually 40 Feet High Cube Containers, but 20 feet containers are also acceptable.
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