233results about How to "High impact" patented technology

A portable coordinate measurement machine comprises an articulated arm having jointed arm segments. The arm includes a base having an integrated magnet mount therein for attaching the arm to a magnetic surface.

A portable coordinate measurement machine comprises an articulated arm having jointed arm segments. The arm includes joint assemblies which include at least one read head together with one or more (preferably five) sensors (preferably proximity sensors) in communication with a periodic pattern of a measurable characteristic, the pattern and read heads being positioned within the joint so as to be rotatable with respect to each other.

A method for improving the measurement accuracy of a portable coordinate measurement machine which comprises an articulated arm having jointed arm segments is presented. This method includes sensing deformation of a portion of the articulated arm when the arm is placed under a load, this deformation causing an error in the measurement made by the CMM, and correcting such error in response to the sensed deformation.

A method for providing feedback to the operator of a portable coordinate measurement machine which comprises an articulated arm having jointed arm segments is presented. The method includes sensing deformation of a portion of the articulated arm when the arm is placed under a load, the deformation being an indication of the magnitude of the external force being applied to the arm, and providing feedback to the operator of the CMM in response to the sensed external forces.

A method for improving the measurement accuracy of a portable coordinate measurement machine which comprises an articulated arm having jointed arm segments is presented. This method includes sensing deformation of a portion of the articulated arm when the arm is placed under a load, this deformation causing an error in the measurement made by the CMM, and correcting such error in response to the sensed deformation.

An apparatus for providing feedback to the operator of a portable coordinate measurement machine which comprises an articulated arm having jointed arm segments is presented. The apparatus includes sensing deformation of a portion of the articulated arm when the arm is placed under a load, the deformation being an indication of the magnitude of the external force being applied to the arm, and providing feedback to the operator of the CMM in response to the sensed external forces.

A method for improving the measurement accuracy of a portable coordinate measurement machine which comprises an articulated arm having jointed arm segments is presented. This method includes sensing deformation of a portion of the articulated arm when the arm is placed under a load, this deformation causing an error in the measurement made by the CMM, and correcting such error in response to the sensed deformation.

A portable coordinate measurement machine comprises an articulated arm having jointed arm segments. The jointed arm segments include a rotatable shaft, at least two spaced bearings and a housing surrounding the bearings and shaft wherein races for the bearings are formed by at least one of the following: (1) the shaft constitutes the inner race of at least one of the two bearings and (2) the housing constitutes the outer race of at least one of the two bearings.

Disclosed are a power management system and associated method that not only initiate a “greenout” to avoid the negative impact of high loads (i.e., to avoid high power cost, negative environmental impact, brownouts, and ultimately blackouts), but can also predict the initiation of such a “greenout”. Predicting the initiation of a “greenout” and communicating the prediction to one or more of the various electronic devices connected to the power grid allows the electronic device(s) to take preparatory action to avoid and / or limit any negative impact that may be caused by the “greenout”.

The invention discloses a nanoparticle-containing polypropylene inside-kettle alloy capable of being used for 3D printing, and a preparation method and an application thereof. The nanoparticle-containing polypropylene inside-kettle alloy is obtained by utilizing a catalyst including a nanoparticle carrier-type catalyst and carrying out two-stage polymerization catalysis of propylene and ethylene / alpha-olefin; the alloy is granular in shape, and the particle diameter is 50-1000 [mu]m. Because the nanoparticle-containing polypropylene inside-kettle alloy has small and uniform particle morphology, the alloy can be directly used as a raw material of 3D printing by adding a heat stabilizer, and is especially suitable for 3D printing prepared nanoparticle-containing polypropylene inside-kettle alloy products which have high melt viscosity and are difficult to process and mold.

The present invention relates to a controlled delivery system that can be incorporated in liquid, as well as, dry granular, or powder, household products, such as dishwashing detergents, surface cleaners, deodorizers, animal litters and cleaning wipes The controlled delivery system of the present invention is a solid, substantially spherical particle comprising a hydrophobic material. The particles can include cationic charge enhancing agents. The particles can also include a fragrance. The particle can have an average particle diameter of from about 1 micron to about 500 microns. The controlled delivery system of the present invention can be utilized to deliver a broad range of fragrance ingredients and prolong fragrance release over an extended period of time. The invention also pertains to household products comprising the controlled release system of the present invention.

The invention relates to a preparation method of reinforced polypropylene foamed beads. The method comprises the following steps of: (a), mixing, extruding, drawing and pelletizing two polypropylene resins and nucleation auxiliary agent through an extruder to prepare polypropylene particles; and (b), putting the reinforced polypropylene particles in a reaction kettle for heating and pressing to generate outward expanding internal pressure under high temperature and high pressure, and temporarily releasing the internal pressure to atmosphere to obtain the reinforced polypropylene foamed beads with certain multiplying power. In the step (a), two polypropylene resins comprise one easily-crystallized polypropylene raw material and one high-melting-point polypropylene raw material; the melting point of the high-melting-point polypropylene is 150-170 DEG C; nucleation agent is added in the step (a) and accounts for 0.01-2% of the adding amount of the two polypropylene resins by weight percentage; and the particle size of the nucleation agent is 0.5-2 microns.

A portable coordinate measurement machine comprises an articulated arm having jointed arm segments. The arm includes a probe at one end thereof. The probe also includes improved switches and a measurement indicator light.

The invention belongs to the technical field of polymer composite materials and in particular relates to a polyvinyl chloride composite material and a preparation method thereof. The invention aims to solve the technical problem of providing a cold-resistant, heat-resistant and high-impact polyvinyl chloride composite material. The polyvinyl chloride composite material comprises 80-145 parts of polyvinyl chloride and 20-35 parts of thermoplastic polyurethane elastomer rubbers by weight. By adopting the thermoplastic polyurethane elastomer rubbers to modify polyvinyl chloride, the polyvinyl chloride composite material expands the applicable temperature range of the polyvinyl chloride materials, ensures the product to have strength, rigidity and toughness, has good cold resistance and heat resistance and is suitable for manufacturing pipes or profiles.

The invention discloses a low-odor antistatic and high tenacity polycarbonate composite, comprising 30-75 parts of polycarbonate by weight parts, and the polymerized ingredients are as follows by weight parts: 10-65 parts of acrylonitrile-butadiene-styrene grafting copolymer ABS, 5-15 parts of macromolecule antistatic agents and 2-10 parts of styrene-N-benzyl maleimide-maleic anhydride copolymer; the olycarbonate composite prepared by the technical proposal is manufactured into automobile plastic interior decorating products, has the advantages of low odor and high shock resistance and being hard to stick and adsorb the dust, and is used for manufacturing various automobile interior decorating products, such as automobile instrument panel, door panel and the like.

The invention discloses an antistatic and ultraviolet resistant PC / ASA material composition and belongs to the field of macromolecular composition materials. The composition is characterized by consisting of the following components in part by weight: 30 to 85 parts of polycarbonate, 5 to 30 parts of acrylonitrile-styrene-acrylic ester graft copolymer, 0 to 30 parts of acrylonitrile-styrene copolymer, 5 to 15 parts of macromolecular antistatic agent, 2 to 10 parts of compatilizer, 0.2 to 2 parts of light stabilizer and 0.2 to 1 part of antioxidant. The interior plastic parts of an automobile, which are made of the PC / ASA composition of the invention, have the advantages of high weather resistance, ultraviolet resistance and heat resistance, difficult adsorption of dust and the like, and can be used for manufacturing interior-exterior parts, such as automotive door plates and shells of inner-outer view mirrors, of various automobiles.

The invention discloses a polypropylene nanocomposite material capable of being used for 3D printing, and a preparation method and an application thereof. The polypropylene nanocomposite material is obtained by utilizing a catalyst including a nanoparticle carrier-type catalyst and catalyzing propylene to polymerize; the composite material is granular in shape, and the particle diameter is 50-1000 [mu]m. Because the composite material has small and uniform particle morphology, the composite material can be directly used as a raw material of 3D printing by adding a heat stabilizer, and is especially suitable for 3D printing prepared polypropylene nanocomposite material products which have high melt viscosity and are difficult to process and mold.

The invention discloses an impacting-sliding composite frictional wear testing device and a method thereof. The method comprises the following steps that a spherical upper test piece is clamped on an upper clamp and a planar lower test piece is clamped by using a lower clamp; the lower clamp is controlled to move up and down by a precise screw lifting platform so that the upper test piece and the lower test piece come into contact; a servo motor drives the upper test piece to do up-down reciprocating motion at set frequency f, times N and displacement S by an eccentric disc, an upper knuckle bearing, a lower knuckle bearing, an impacting shaft, a spring leaf and an upper clamp, and carries out reciprocating impact on the lower test piece; in the impacting process, the spring leaf is deformed under the action of stress, so that impacting-sliding composite frictional wear between the upper test piece and the lower test piece is realized; and simultaneously, the force borne by the lower test piece is tested by a three-dimensional dynamic piezoelectric sensor connected with the lower clamp and is transmitted to a data acquisition control system, and a friction coefficient-cycle time curve is obtained by analysis. The impacting-sliding composite frictional wear testing device and the method disclosed by the invention have the advantages that the material can conveniently generate rigidity-adjustable impacting-sliding composite frictional wear, the automation degree is high and the repeatability of experimental data is good.

The invention belongs to plastic profile product modifier technical field and discloses a preparation method for a PVC anti-impact modifier chlorinated polyethylene. The invention is mainly technically characterized in that after dispersant, emulsifier, initiator and powdery high-density polyethylene resin are added into a chlorinating reactor with water inside in a stirring state, then the mixture is heated and processed through three chlorine reactions at different temperature ranges; after the reaction, the enwrapped HCl formed in the reactor is discharged; after repeated hot water washing, centrifugal dehydration and drying, calcium stearate, calcium carbonate and lanthanum carbonate are added to obtain the finished product through stirring, mixing and screening. As the high-density polyethylene resin in the preparation technology is high-mesh powdery material and three chlorine reactions are needed in the process, the chlorinated polyethylene prepared by the technology has higher thermal stable temperature and lower melting heat; if the chlorinated polyethylene serves as the anti-impact modifier of PVC products, the PVC product produced thereby has strong impact strength and tensile strength.

The invention discloses a high fire-retardant and high impact-resistant regenerated polystyrene XPS particle, which is composed of a composite carrier, a fire-retardant system, a thermal stable system, and a mixed auxiliary agent; wherein the mass ratio of the composite carrier: the fire-retardant system: the thermal stable system: the mixed auxiliary agent is 90-110:1-5:0.1-0.5:0.05-0.3; the composite carrier is composed of regenerated polystyrene XPS particles and high impact-resistant polystyrene particles, and the fire-retardant system is composed of a solid powder fire retardant and a liquid retardant. Recycled regenerated polystyrene resin is adopted as the main raw material to product the high fire-retardant and high impact-resistant regenerated polystyrene XPS particle, then a novel carrier is added, a novel fire retardant is selected, and the thermal stable system and other auxiliary agent system are optimized, so that the product has the advantages of high fire retardant property, high impact resistance, environment-friendliness, good thermal stability, good mechanical property, and easy processing and forming property.

A high-frequency device includes an antenna coil, a variable capacitance element, and an RFIC. The variable capacitance element is configured by capacitor units in each of which a ferroelectric film is sandwiched between capacitor electrodes, and a capacitance value changes according to a control voltage applied between the capacitor electrodes. A control voltage application circuit configured by a plurality of resistance elements of different resistance values, and a resistance element of the variable capacitance element unit configured to apply a control voltage to the variable capacitance element are arranged in a layered manner above the capacitor unit. Thus, a variable capacitance element and a high-frequency device that includes a control voltage application circuit eliminating problems such as distortion due to active elements and growing IC size along with complication of circuit architecture, and ensuring reliability on impact due to falling or the like, are provided.

A roller mill for comminuting brittle grinding stock comprises at least one grinding roller constructed as a loose roller and rotatable about an axis and interacting with a counter-surface such that grinding stock is comminuted between the grinding roller and counter-surface. Horizontally slidable bearing blocks bear the grinding roller and are guided in a frame rotatably about a vertical bearing axis. A pressing device applies an adjustable grinding pressure to the grinding roller via the bearing blocks. At least two resilient compensation elements are associated with each bearing block in order to compensate a skewed position and / or deflection of the grinding roller. The compensation elements are arranged between the frame and the bearing blocks, and, in the plan view of the roller mill, are arranged tangentially to a circle around the vertical bearing axis or constructed in a circular arc around the vertical bearing axis.

The invention discloses an ABS / PBT alloy material and a preparation method thereof. The ABS / PBT alloy material comprises the following ingredients in parts by weight: 64 to 76 parts of ABS, 14 to 24 parts of PBT, 3 to 6 parts of flexibilizer, 2 to 5 parts of bulking agent, 0.5 to 1 part of lubricant, 1 to 2.5 parts of scratch-resistant agent, and 0.4 to 0.8 part of anti-oxidant. The tenacity of an ABS basis material is enhanced by adding the PBT; the defect that the dual structure of ABS / PBT is unstable is overcome by adding the bulking agent, so that two types of matrix resins can be compatible to each other better; the scratch resistance of the alloy material is improved by adding the scratch-resistant agent, so that excellent physical comprehensive performance is obtained. The preparation method mainly comprises two steps of mixing and melt extrusion, so that the process is simple, no additional complex equipment is required, the cost is low, the performance of the composite polymer material is improved, and suitability for industrial production is realized.

A multilayer laminate suitable for forming cladding such as siding, window and door surrounds, corners and other similar uses (hereinafter collectively “siding”) for covering dwellings or buildings. The multilayer laminate permits uses in hostile environments having temperatures above 100° F. and may be provided in dark, as well as light, colors. The laminate comprises at least a high impact layer, a weather layer and a heat resistant layer.

The invention discloses nanoparticle / polypropylene random copolymer compound resin for 3D printing, a preparation method and an application thereof. The nanoparticle / polypropylene random copolymer compound resin is obtained in a manner that propylene and a comonomer are subjected to a copolymerization reaction catalyzed by a catalyst including a nanoparticle carrier type catalyst. The compound resin is granular with granule diameters ranging from 50-1000 microns. Because the nanoparticle / polypropylene random copolymer compound resin is small and uniform in granule form, the compound resin can be directly used as a raw material in 3D printing with addition of a thermal stabilizer, and is very suitable for producing a nanoparticle / polypropylene random copolymer compound resin product which has a high melt viscosity and is difficult to mold, through 3D printing.

The invention discloses an ABS material with low gloss, high shock resistance, and high fluidity, which comprises a styrene-based resin, an ethane-acrylate copolymer elastomer, and a copolymer of gelated styrene and acrylonitrile; the amounts by weight of the components are 85-97 parts of the styrene-based resin, 1-10 parts of the ethane-acrylate copolymer elastomer, and 1-5 parts of the copolymer of gelated styrene and acrylonitrile. The ABS material prepared according to the ratio of the invention has low gloss, high shock resistance, and good processing fluidity, facilitates the filling and forming of large-size moulds, and is widely applicable to various automobile interior trimming parts and the like.

The invention relates to an easily-sprayed polypropylene composite material which can be used for automobile parts and a preparation method and application thereof. The easily-sprayed polypropylene composite material is mainly prepared by mixing the following ingredients (by weight): 40-65 parts of polypropylene, 10-18 parts of a thermoplastic elastomer, 0-3 parts of polyethylene, 0-3 parts of a polar copolymer, 20-30 parts of a mineral filler and a few amount of an anti-oxidant, a light stabilizer and other functional aids. The preparation method comprises the following steps: successively adding polypropylene, the thermoplastic elastomer, polyethylene, the polar copolymer, the mineral filler, the anti-oxidant, the light stabilizer and other functional aids into a low speed mixer and mixing for at least 2 min; adding the mixture into a twin-screw extruder and mixing, setting the extrusion temperature to be 170-240 DEG C, extruding and granulating, and uniformly mixing to obtain the product. The easily-sprayed polypropylene composite material can be used for preparation of automobile bumper products and has comprehensive properties such as excellent impact resistance, fluidity, rigidity, heat stability, dimensional stability, sprayability, etc.

The present invention relates to an insulation electrical engineering bushing plastic and a preparation method thereof. The plastic comprises the following components, by mass, 70-90 parts of a PVC resin, 10-17 parts of an acrylonitrile-butadiene-styrene copolymer, 30-45 parts of dioctyl phthalate, 3-8 parts of dioctyl adipate, 0.5-3 parts of epoxy soybean oil, 1-4.5 parts of calcined kaolin, 1.5-2.7 parts of dibasic lead phosphite, 1.2-1.8 parts of fatty acid ester, 5-10 parts of aluminum hydroxide, 2-5 parts of zinc borate, 1.5-3 parts of barium stearate, 1-3.5 parts of an organotin stabilizer, and 1.5-4 parts of PE wax. The insulation electrical engineering bushing plastic has characteristics of high strength, high impact resistance, high toughness, good insulation and good fire retardation, and can provide good protection effects for electric wires, electric cables and the like.