Bag Type: Plastic Film Roll (Stretch Film / Pallet Wrap)
Style: Versatile, Protective, Efficient
Thickness: Customized
Size: Customized
Material: PE (Polyethylene)
Film Color: Transparent
Printing: Customized Printing Accept
Features: Excellent transparency & elasticity, highly stretchable, does not tear easily, provides load stability, dust and moisture protection, allows easy identification, tamper-resistant.
Usage: Wrapped around pallets, boxes, and furniture for bundling, securing, protecting, and keeping them in place securely during transportation and storage.
Our safety belts provide secure and comfortable protection for industrial, construction, and high-altitude work. Made from durable, high-quality materials, they ensure reliable fall restraint and worker safety in hazardous environments.
Multi-layer sintered metal mesh filters combine the advantages of woven wire mesh, with micron-level pore sizes and a diffusion-bonded wire mesh laminated plate, to provide mechanical strength and stability. Typically, fine woven metal wire mesh filters are placed within multiple layers of sintered laminated plates to protect the fine mesh from mechanical damage caused by environmental pressure. 5-layer sintered laminated plates are commonly used for sintered wire mesh filters.
Parameters
Material: SUS334L SUS316L
layers: single layer, 2 to 3 layers, 5 layers and 6 layers or customized
Sheet size customized
Features
1.Uniform pore size
2.High temperature resistance and corrosion resistance
3.Cleanable and Reusable
4.Micron-level pore size
Different layers has different performance characteristics
Single layer sintered wire mesh is formed by diffusion bonding, resulting in a permanent geometric shape, pore size and filtration level. It is a cost-effective alternative to mesh filters and commonly found in disc, ring, and simple cylindrical shapes.
Two to three layers of sintered wire mesh have good mechanical strength and medium-sized pores, suitable for manufacturing pleated cylindrical filters, candle filters, and sintered discs. This type of sintered wire mesh has a filtering layer with the desired pore size sandwiched between outer and inner protection layers.
Five-layer sintered wire mesh consists of one layer of fine woven wire mesh sandwiched between two layers of coarser woven wire mesh protection layers. These three layers of woven wire mesh are then sintered together with two support layers to enhance the filtration performance. This type of sintered metal wire mesh laminated plate has a wide range of applications in chemical processing, food and beverage, pharmaceuticals, transportation, and is used for liquid and gas filtration, fluidized beds, and other applications.
Application
Oil and gas production
Chemical industry
Food
Aerospace
Polymer filtration
Energy and Nuclear Power
Nylon is a synthetic material which is the most used material in the market today. It is capable of being extruded into strands of various sizes and thicknesses to suit different applications. Our nylon filter mesh is woven by monofilament yarns. The key properties of nylon filter mesh include:
High tensile strength
Light weight
Elasticity and flexibility
Resistance to acids, alkalis, corrosion, dust, temperatures, and wear
Hydrophilic
Good moisture absorption
Soft, smooth feel
Easy cutting, dyeing, and cleaning
In addition to its availability in many designs and configurations, nylon mesh offers a number of other key advantages over alternative filter mesh options. For example, its smooth surface facilitates the removal of filtered solids, making it an effective and efficient solution for pool filters and skimmers.
Nylon fibers can be knitted into durable mesh suitable for different straining, sieving, and filtering applications.
Collection of Cells and Algae
Particle Analysis
Large Particulate Filtration
Background Filter for automated particle imaging system
Pre-filtration of Solvents
Paint Monitoring
Medical Filtration (Blood Filtration)
Food & Beverage
Fabry Parot Etalon is a high-resolution interference spectrometer with wide applications, which include high-resolution spectroscopy, the study of spectral lines with very close wavelengths, such as the isotope spectrum of elements, the hyperfine structure of the spectrum, the small frequency shift in light scattering, the Doppler shift of spectral lines caused by atomic movement, and the internal structure shape of spectral lines.
It can also serve as a high demanding optical filter and a precision wavelength meter. In the laser system, it is often used to narrow the spectral line in the cavity or make the laser system operate in a single mode. It can be used as a bandwidth control and tuning device in broadband picosecond lasers to detect and analyze the spectral components in the laser (longitudinal mode, transverse mode).
Use of etalon and selection of substrate materials
Etalons, when used in transmission mode, have a series of transmittance peaks with periodic frequency spacing and are typically used in telecom for wavelength locking. Etalons are characterized by their Free Spectral Range (FSR) the frequency spacing between peaks and their Finesse which essentially governs the shape of the transmission peaks.
Etalon filters typically consist of a single spacer layer with two reflector stacks on either side.
For FSR values below 1000 GHz, the spacer is usually fabricated from a substrate material (rather than grown in thin film deposition). To achieve etalon quality polishing the parallelism of the substrate needs to be better than 1-5 arc-seconds.
Different substrate materials are chosen depending on the application fused silica is used when the etalon FSR and peak variation with temperature is to be minimized while Si is used when a high FSR temperature coefficient is required for thermal tuning.
Photonchina fabricates custom high quality fused silica and Si etalons at competitive prices with FSR values in the range of 12.5 GHz to 500 GHz.
Types of Etalon
The optical etalon can be a single-piece structure with parallel reflective surfaces, the solid-state etalon made of fused silica material, or an air-gap structure using a Fabry-Perot cavity double-reflective mirror, i.e., the air-gap etalon.
1. Solid Etalon:
Photonchina Specifications:
Material: H-K9L/BK7, Quartz Glass
Size: 24-20-52mm,Total Length:136.5mm
Packing: 1unit/box,box can be brown box or color box,10units/carton
OE number:B00425400D B00425600D B00525400 B00525600 B00526600D K99999112 KK33122510 KK16822510
Item No.:MZ-5023
We have developed more than 3,000 varieties of C.V. Joint and 1000 varieties Drive Shaft.Product categories cover 90% .
We have obtained ISO9001,TS16949 certification to produce the high quality products
GUIDE BUSH OUTER
Material: 45#
Weight: 0.58kg
Manufacture process: Machining
Description: Mold parts, and guide pillar, play the role of a guide, generally fit clearance is small, within 0.05 mm;In general use in the mold or some mechanical, to ensure the accuracy of the movement.
roll shaft bearing
Material:ZG30Mn
Weight:3-10t
Process:sand casting
Description: the main parts of coal grinding machine
Function: Roller shaft bearing is the main accessories of grinding machine, connection roller cover and the bearing seat, and easy to open the shaft bearing and maintain it after open the roller cover
1.The super-high quality and mass remarkably surpass the domestic first-class factories.
2.The beam guide and ram guide are handled by supersonic frequency induction hardening (HRC�?�50) while the sliding surface of guide is treated with sticking plastic (including inclined veneers and pressure plate). The precision of the product can be maintained for a long time and the cycle for big repair can be extended as long as more than 10 years.
3.EXcellent casting comes from the same factory that the domestic big factories utilize (all are in type of HT300) and the artificial heat ageing is carried out. The casting can never be carried out with weight-reducing treatment, the weight of the whole machine accords with the standard one.
4.five-angle tool carrier adopts high-precision rat gear for positioning and for all 120 pieces, super-strong stiffness. (the traditional five piece positioning plate can be compared with it)
5. 2 axial digital display is taken as the standard confirmation (4 axial digital display type will be exported)
6.The electrics adopt Japan Omron PLC control and the electric components utilize the components with ultra-high quality , specification (CE standard) assembly process, in addition, the electrics of the whole machine owns super-high reliability.
7.ELectric rotary valve, Grade 16 machinery variable speed make the device convenient, smart and reliable.
8.High-precision gear grinding gear and gear grinding spiral bevel (Grade 6 precision) are featured with low noise and stable operation.
9.JB/T4116-96 precision test standard of vertical lathe is performed
JB/3665-96 technical condition of vertical lathe is performed.
10.Advanced and perfect processing and assembly process forge excellent quality.
11.Accessory configuration is complete and only the user prepares for the knife and measuring tool, the operation can be started immediately. Perfect after-sales service (pre-sales, in-sales, after-sales, installation, debugging, training and maintenance etc.) in addition, one-year quality assurance service is granted.
12.Optional configuration: rolling working platform, Germany Mecano button station, heightening lathe and prolonging ram and square ram etc.
C5126E Single Column Vertical Lathes
1.The super-high quality and mass remarkably surpass the domestic first-class factories.
2.The beam guide and ram guide are handled by supersonic frequency induction hardening (HRC�?�50) while the sliding surface of guide is treated with sticking plastic (including inclined veneers and pressure plate). The precision of the product can be maintained for a long time and the cycle for big repair can be extended as long as more than 10 years.
3.EXcellent casting comes from the same factory that the domestic big factories utilize (all are in type of HT300) and the artificial heat ageing is carried out. The casting can never be carried out with weight-reducing treatment, the weight of the whole machine accords with the standard one.
4.five-angle tool carrier adopts high-precision rat gear for positioning and for all 120 pieces, super-strong stiffness. (the traditional five piece positioning plate can be compared with it)
5. 2 axial digital display is taken as the standard confirmation (4 axial digital display type will be exported)
6.The electrics adopt Japan Omron PLC control and the electric components utilize the components with ultra-high quality , specification (CE standard ) assembly process, in addition, the electrics of the whole machine owns super-high reliability.
7.ELectric rotary valve, Grade 16 machinery variable speed make the device convenient, smart and reliable.
8.High-precision gear grinding gear and gear grinding spiral bevel (Grade 6 precision) are featured with low noise and stable operation.
9.JB/T4116-96 precision test standard of vertical lathe is performed
JB/3665-96 technical condition of vertical lathe is performed.
10.Advanced and perfect processing and assembly process forge excellent quality.
11.Accessory configuration is complete and only the user prepares for the knife and measuring tool, the operation can be started immediately. Perfect after-sales service (pre-sales, in-sales, after-sales, installation, debugging, training and maintenance etc.) in addition, one-year quality assurance service is granted.
12.Optional configuration: rolling working platform, Germany Mecano button station, heightening lathe and prolonging ram and square ram etc.
china coal 0001
Arc Plate Net Shell Support
Keywords: Net Shell Support, Stainless Steel Support, Steel Supports Price
Introduction of Arc Plate Net Shell Support
Supporting of soft rock tunnel excavation has been one of the key technical problems which affects the further development of coal industry production and construction of our country . Deep mine ground pressure intensity is high, under the condition of mining influence and impact ground pressure and strata control is especially difficult, thus support system is more and more strengthened, such as the need to reduce the frame from u-shape set, strengthen the link rod, and even to use U36 steel;spray the anchor net supporting to reinforced by steel arch, or and anchor rope combined support, surrounding rock grouting, etc; Although this can achieve certain supporting effect, but support cost is very high. Therefore, China coal group design to create a new type of flat net shell components, the main supporting characteristics of arc plate net shell components summed up as: "while digging, while supported edge, "before soft to hard", enough stiffness, process simple,low price."
Characteristics of Arc Plate Net Shell Support
1,"While digging, while supported edge",timely support
Arc Plate Net Shell Support can use waste rock filling, grey package after wall, concrete precast slab, such as filling, network frame and the tunnel contour quickly close to stick, while digging, timely support, so that on the one hand can make the support resistance of support was able to play in time, to timely reinforce the surrounding rock and to work under the stress state in three; On the other hand, have the effect of slow pressure, pressure, lead to the uniform support along the perimeter stress, is in good working condition.
2,Arc Plate Net Shell Support has enough "rigidity"
3,"Just moderately soft, before soft to hard".
Arc Plate Net Shell Support force has a complex ingredients: expansion and creep of rock mass, reduce the strength of long, crushing of rock mass adhesion coefficient reduced values, etc., all show the macroscopic displacement of rock mass and any rigid support to prevent displacement will be entirely itself in disadvantage. Therefore, the stability of the laneway to end support, work together to complete of the surrounding rock. Reticulated shell scaffold, while under high in-situ stress reaction in surrounding rock, making convergence of surrounding rock in supporting under the control of convergence, by stent supported edge, the edge of broken rock mass convergence pressure unceasingly, forming a stable bearing ring, together with stents to assume the role of in-situ stress.
The scalability of Arc Plate Net Shell Support comes from two aspects:
(1) the contact of the spatial grid steel supports and surrounding rock itself has certain yielding;
(2) the junctions between the reticulated shell scaffold piece and piece of wood plate.
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