217 results about "Cutting glass" patented technology

The application discloses a glass cutting device for mirror processing and relates to the field of glass processing.The glass cutting device comprises a cutting table and a cutting unit arranged on the cutting table, the cutting unit is used for cutting glass, the cutting table comprises a feeding end and a discharging end, a bracket is arranged on the side of the discharging end, a lower supporting plate is arranged on the bracket, four supporting connecting rods are symmetrically and rotationally connected to the two sides of the lower supporting plate in a rectangular shape, the bottom end of the supporting connecting rod is rotationally connected to the inner wall of the bracket away from the side of the lower supporting plate, and the bottom end of the supporting connecting rod is obliquely arranged towards the side close to the cutting table.The glass cutting device for mirror processing can clamp the cut glass through the cooperation between the lower bracket and the auxiliary plate, and the lower bracket can be slightly rotated when the lower bracket moves downwards under the driving of the auxiliary cylinder, so that the cut glass can be moved downwards, and the cut glass can be stably separated from the glass body.

Disclosed in the present invention are a glass sheet production method and system. The method comprises: first performing defect detection on a glass ribbon to obtain position information of each defect; then scribing a cutting contour on the glass ribbon to obtain a preliminarily cut glass sheet to be separated; further performing simulated layout on the preliminarily cut glass sheet to be separated, so as to obtain a virtual frame corresponding to a deeply cut glass sheet; once the preliminarily cut glass sheet has been separated, marking a corresponding position in a defective virtual frame on the basis of the position information of the defect; and finally cutting the separated preliminarily cut glass sheet to obtain the deeply cut glass sheet and scrapping the marked deeply cut glass sheet. During subsequent deep processing, the preliminarily cut glass sheet is cut to obtain the deeply cut glass sheet. It is only necessary to scrap a defective deeply cut glass sheet having a laser-engraved mark, rather than scrapping the entire preliminarily cut glass sheet. Therefore, the present production method can reduce the loss rate caused by glass defects and improve glass utilization rate and final production yield pass rate.

The present invention provides a high-efficiency waterproof photovoltaic module lamination method and a butyl rubber lamination frame thereof. The lamination method comprises: S1, feeding front glass into an assembly line; laying precisely cut glass on the glass; connecting battery strings; S2, laying the battery strings on the front adhesive film, laying the precisely cut back adhesive film on the battery strings; finely cutting the back adhesive film; S3, applying adhesive around the front glass; covering the laminated front glass with perforated back glass; S4, injecting adhesive into the back glass holes to complete the sealing of the lead wires; S5, sealing the edges of the laminated photovoltaic module; heating and laminating the photovoltaic module; S6, applying pressure to the heated and laminating photovoltaic module and rapidly cooling it; S7, performing non-destructive testing on the photovoltaic module. The present invention optimizes the lamination tooling structure to address locations prone to glue threading and the causes of glue debonding and delamination, thereby increasing the consistency of the actual effective distance and water-blocking distance at each location after butyl rubber lamination.

The utility model discloses a screw-free and welding-free metal cutting glasses hinge, which relates to the technical field of glasses, and comprises a hinge body, the hinge body is used for connecting glasses legs to the side part of a glasses frame, the side part of the glasses frame is provided with a support lug, and the end part of the support lug is bent inwards to form a U-shaped groove; the end parts of the glasses legs are bent towards the inner side to form two arc grooves; one end of the hinge body is inserted and fixed in the U-shaped groove, the other end of the hinge body is provided with a rotating shaft, and the arc groove is nested in the rotating shaft; an elastic piece is formed between the two arc grooves in a cutting mode and located on the side portion of the hinge body. According to the utility model, the welding procedure in production is reduced, the manufacturing is simple, the risk of unsoldering in use can be reduced, the glasses legs are easy to mount without screws, the rotating shafts are not easy to loosen after long-time use, the glasses legs are not easy to loosen after being opened and closed, the damping feeling of opening and closing of the glasses legs can be kept, and the failure rate is lower; and different frames do not need to be opened again, so that the cost can be effectively reduced.

The utility model provides a tempered glass cutting machine for a refrigerator interlayer, and relates to the technical field of tempered glass production, the tempered glass cutting machine comprises a cutting table body, a scrap collecting mechanism is arranged below the cutting table body, and the scrap collecting mechanism comprises a collecting cover, a collecting pipe, a filter plate and an air blower; the cutting table comprises a cutting table body, a waste chip collecting mechanism is arranged on the cutting table body, waste chips generated during cutting are collected through the waste chip collecting mechanism, a cutting protection mechanism is arranged above the cutting table body, the cutting protection mechanism comprises a protection cover, a lead screw, a threaded block, a first servo electric cylinder, a servo motor, a positioning block and a limiting rod, and splashing chips during cutting are blocked through the cutting protection mechanism; the glass cutting device has the advantages that the glass cutting device is simple in structure and convenient to use, operators are prevented from being hurt, waste chips are collected in a unified mode through the waste chip collecting mechanism, follow-up unified treatment is facilitated, the cutting distance is adjusted and set through the adjusting mechanism, and the effects that continuous cutting and cut glass taking are facilitated, and the glass cutting efficiency is greatly improved are achieved.

The utility model relates to the technical field of glass panel processing, in particular to a precise positioning device of a glass panel cutting machine, which comprises a glass cutting machine body with a hydraulic cylinder, a placing clamping groove is arranged at the bottom of the inner wall of the glass cutting machine body, and a magnetic clamping seat is clamped on the inner wall of the placing clamping groove. Adjusting supporting legs are fixedly installed on the tops of the magnetic attraction clamping bases, and an electric conveying table is connected to the upper portions of the adjusting supporting legs. The glass cutting machine is arranged for protecting, covering, cutting and cutting a glass panel, and the stability of the glass panel is enhanced through multi-direction accurate positioning constraint; and the cut glass panel is adjusted and put down through driving control to be conveyed, and chippings are washed away in a water-saving manner in a circulating recovery and water spraying manner, so that the multi-direction accurate positioning constraint and subsequent chipping removal treatment effect of the glass panel in the cutting process are enhanced.

The utility model discloses a fixing device for glass processing, which comprises an operating platform, the upper end of the operating platform is fixedly connected with a fixing plate, the front end of the operating platform is fixedly connected with a convex block, the upper end of the convex block is slidably connected with a supporting plate, the front end of the fixing plate is movably connected with a first rack, and the front end of the first rack is movably connected with a second rack. A connecting rod is fixedly connected between the supporting plate and the first rack jointly, a connecting block is slidably connected to the outer side of the connecting rod, a laser cutting head and a grinding piece are installed at the lower end of the connecting block, a gear is meshed with the lower end of the first rack, and a second rack is meshed with the lower end of the gear. And the front end of the second rack is fixedly connected with a push block. The fixing device for glass processing disclosed by the utility model can be used for fixing glass with different sizes and carrying out edging treatment on the cross section of the cut glass, so that the cut glass is smooth and round, and the skin of an operator is prevented from being scratched and the operator is prevented from being injured.

The utility model discloses a glass section polishing device for glass production, which comprises a rack, a top groove is arranged at the top end of the rack, a first movable frame and a second movable frame which are symmetrically distributed are arranged in the top groove, and a driving assembly used for driving the first movable frame and the second movable frame to move relatively is arranged on the rack. The first movable frame and the second movable frame are each provided with a detachable pressing mechanism, and the top end of the rack is further provided with a grinding roller used for grinding the cut surface of the glass. According to the glass polishing device, glass is placed in the first movable frame and the second movable frame and fixed through the pressing mechanism, after the glass is cut, the first movable frame and the second movable frame are driven by the driving assembly to be away from each other by a certain distance, and then the glass is polished by adjusting the position of the polishing roller; the grinding roller can move to the glass cutting seam, then the glass cutting surface is ground through the rotating grinding roller, and the mode is easy to operate.

Proposed are a glass panel and a method for forming a glass panel having a curved corner portion. More particularly, proposed are a method for forming a glass panel having a corner portion with a rounded shape or a D-cut shape and the glass panel formed by the method. The corner portion with the rounded shape or the D-cut shape is formed by thermally chamfering an outer surface portion and the corner portion of the glass panel by using a processing member such as a heating rod after the glass panel is tempered before or after cutting the glass panel from a mother glass.

The invention relates to the technical field of cutting equipment, and particularly discloses high-efficiency low-waste-consumption linear cutting equipment and a linear cutting process, and the high-efficiency low-waste-consumption linear cutting equipment comprises a pay-off mechanism, a threading mechanism, a take-up mechanism and a movable carrying table; the diamond wire is paid off to the threading mechanism through the pay-off mechanism to form a cutting wire segment, then the cutting wire segment is taken up through the take-up mechanism, a glass piece to be cut is placed on the movable carrying table, and the movable carrying table moves to the cutting wire end of the diamond wire and moves along a cutting track. The cutting line segment of the diamond wire is cut from one side of the glass piece in the thickness direction of the glass piece to enter the middle of the glass piece, then cuts the glass piece in the length direction of the glass piece and in the middle of the glass piece, and then cuts the glass piece in the thickness direction of the glass piece to move out to the other side of the glass piece; the glass piece is cut into two same glass units; according to the high-efficiency low-waste-consumption wire cutting equipment, the glass cutting efficiency and the material utilization rate are remarkably improved.

The utility model discloses a glass cutting machine facilitating feeding and discharging, and relates to the technical field of glass cutting. Comprising a bottom plate, and the upper surface of the bottom plate is sequentially provided with a positioning and bearing assembly used for bearing and positioning pre-cut glass at a time, a multi-axis robot used for carrying the pre-cut glass to a designated position and a glass cutting machine used for cutting the glass from left to right, the positioning bearing assembly and the glass cutting machine are located within the working range of the multi-axis robot. The glass cutting machine is provided with the designated position, and a glass adsorption structure is arranged at the designated position. And through the cooperative design of the bottom plate, the positioning bearing assembly, the multi-axis robot and the glass cutting machine, an operator can conveniently feed and discharge glass during cutting.

The utility model relates to a coating spraying device for laser glass cutting. The coating spraying device comprises a processing table, the mounting frame is fixedly mounted at the top of the processing table; a motor is started to drive a rod body to rotate, the rod body drives columns to rotate, the columns rotate to drive a conveying belt to rotate, the laser-cut glass on the conveying belt is conveyed, firstly, a fan is started, air is sucked into a frame body, the air firstly passes through a filter plate to intercept dust, and then the air passes through the filter plate to intercept dust; clean gas enters the gas conveying piece through the gas pipe and is finally sprayed out from the bottom of the gas spraying plate, the gas spraying plate is of an inclined face type, the cleaning effect on dust on the glass is better, meanwhile, the air cylinder can be started to stretch the hose part, the gas spraying plate moves downwards to be better attached to the glass, and the dust removal effect is improved; and the glass enters the spraying plate and is sprayed out of the atomizing spray head to perform coating spraying on the surface of the glass.

The utility model provides an auxiliary positioning mechanism for cutting a glass fiber plate, belongs to the technical field of glass fiber plate processing equipment, and aims to solve the problem that the cutting quality of the glass fiber plate is affected due to high-frequency vibration easily caused by vibration of a cutter and impact of cutting force during cutting in the prior art. Comprising a positioning supporting table, a first positioning module, a second positioning module, a cutting clamping table, a clamping driving cylinder, a cutting clamping mechanism and a dynamic clamping mechanism. The first positioning module is fixedly connected to the upper end of the positioning supporting table. The second positioning module is fixedly connected above the sliding table of the first positioning module; the cutting clamping table is fixedly connected to the upper end of the sliding table of the second positioning module; the clamping driving cylinder is arranged at the front end of the upper portion of the cutting clamping table. The cutting and clamping mechanism is arranged above the cutting and clamping table; the dynamic clamping mechanism is arranged at the front end of the upper portion of the cutting clamping table, local rigid support is provided nearby a cutting point all the time, vibration is restrained, and the cutting precision is improved.

The invention discloses a heat insulation glass preparation device and method. The heat insulation glass preparation device comprises a machining platform, wherein a transverse moving mechanism is arranged at the top end of the machining platform, and an L-shaped side table is fixedly arranged on one side of the machining platform; the device comprises an L-shaped side table, a switching reciprocating structure is arranged on one side of the L-shaped side table, the switching reciprocating structure comprises two fixed bent frames fixedly arranged on the top of one side of the L-shaped side table, and the two fixed bent frames are rotationally connected with the corresponding rotating discs. According to the glass cutting machine, waste chips generated by cut glass can be cleaned immediately after cutting is completed, and two processing functions are integrated on one device, so that the occupied space of the device is reduced, the layout of a production line is simplified, and the production efficiency is improved; in addition, only one main first driving motor is needed to drive the whole switching reciprocating structure, so that less energy is used, and the efficiency is also remarkably improved.

A method of manufacturing a window includes: preparing a glass substrate laminate which includes preparing a base substrate, alternately disposing glass substrates and adhesive layers on the base substrate, and disposing a cover substrate on the glass substrates and the adhesive layers alternately disposed; and cutting the glass substrate laminate, where the adhesive layers include a potassium nitrate (KNO3) particle and an adhesive resin. This method makes it possible to effectively manufacture an ultra-thin glass substrate used for a window.

A method for removing a coating film, cutting glass, and post-processing using a laser according to the present application includes the steps of: coating a coating solution for preventing chemical contact on one side or both sides of a mother panel state ultrathin glass to perform selective chemical processing; drying the coating solution to form a coating film on one side or both sides of the mother panel state ultrathin glass; cutting the mother panel state ultrathin glass into a unit level ultrathin glass applied to an electrical and electronic product; performing selective chemical processing on the cut unit level ultrathin glass to heal a laser cutting surface of the unit level ultrathin glass; after washing the unit level ultrathin glass, removing all of the coating film formed on a surface of the unit level ultrathin glass; and after washing the unit level ultrathin glass on which all of the coating film is removed, chemically healing the surface of the unit level ultrathin glass to remove defects or flaws on the surface of the unit level ultrathin glass on which all of the coating film is removed.

The utility model relates to the technical field of rhinestone blank machining, and discloses a rhinestone blank glass bead polishing device which comprises a workbench, a polishing barrel, a polishing assembly, a discharging hopper and supporting legs, the polishing barrel is arranged at the top of the workbench, the polishing assembly is installed above the polishing barrel, the discharging hopper is arranged at the bottom of the workbench, and the supporting legs are arranged on the workbench. The supporting legs are fixedly connected to the outer side of the bottom of the workbench, the polishing barrel comprises a barrel body, a spiral guide plate, a feeding pipe, a discharging opening, a first air cylinder, a telescopic rod and a check block, the barrel body is fixedly connected to the top of the workbench, the spiral guide plate is fixedly connected to the interior of the barrel body, and the feeding pipe is fixedly connected to the outer side of the barrel body. According to the rhinestone blank glass bead polishing device, the spiral guide plates are evenly arranged in the barrel, polishing work is facilitated, and meanwhile, the arranged glass beads can be prevented from shaking randomly in the polishing process to cause damage.

The application relates to a ring cutting device for high borosilicate glass tube production, and belongs to the technical field of glass production. The device is used for solving the problems that the cutting blade needs to leave the end face of the glass tube after cutting, the blade and the glass tube are blocked, the movement track of the cutting device is relatively complicated, and the cutting efficiency is affected. The servo motor drives the gear ring to rotate through the straight gear. When the gear ring rotates clockwise, the inclined groove extrudes the first guide column, the mounting plate moves downwards, the rotating blade on the cutting machine cuts the glass tube, then the mounting plate, the cutting machine and the rotating ring are driven to rotate under the action of the continuous rotation of the gear ring, the servo motor and the straight gear drive the gear ring to rotate reversely after one ring cutting, the reverse locking mechanism reversely limits the rotating ring, the mounting plate and the cutting machine move upwards under the guidance of the inclined groove, the blade on the cutting machine is separated from the cutting surface, the blade is prevented from being blocked with the glass tube conveying, the operation is simple, and the cutting efficiency is high.

The utility model relates to an online slitting device for a glass fiber stitch-knitted fabric, and belongs to the technical field of slitting devices. Each cutting assembly is movably arranged on the support, and each cutting assembly is used for cutting the glass fiber stitch-knitted fabric; the slitter edge collecting assembly is arranged on one side of the support, and the slitter edge collecting assembly is used for collecting slitter edges left after cutting of the cutting assembly; and the multiple buffering pads are arranged on the two sides of the cutting assembly and used for buffering impact force generated when the position of the cutting assembly is adjusted. According to the scheme, through arrangement of the buffer pad, when external force is applied to adjust the position of the cutting assembly, the buffer pad can be used for buffering the external force, and the possibility of damage to the cutting assembly is reduced.

The utility model discloses a material supporting device for cutting glass products, which comprises a lifting base positioned on a processing table, a material taking component is arranged in an inner cavity of the processing table, a plurality of bearing seats are fixedly connected to the top of the lifting base, rotating columns are rotatably connected to inner cavities of the bearing seats, and the rotating columns are fixedly connected to the top of the processing table. Material supporting arms are fixedly connected to the two sides of the surface of the rotating column correspondingly, two negative pressure suction cups are fixedly installed on the front sides of the material supporting arms, overturning assemblies are arranged on the two sides of the top of the lifting base correspondingly, and each overturning assembly comprises electric telescopic rods fixedly installed on the two sides of the top of the lifting base; and the output end of the electric telescopic rod is fixedly connected with a connecting plate. The lifting base, the overturning assembly and the material supporting arm are used in cooperation to overturn and support glass materials, then the material taking assembly and the material taking assembly are used in cooperation to lift the glass materials to a designated machining area, and the purposes of automatic overturning lifting and automatic lifting feeding can be achieved.

The application discloses an epoxy coating containing a high-flowing diluent and a preparation method thereof, relates to the technical field of coatings, and has the following components in parts by weight: bisphenol A type epoxy resin 30-50 parts, acrylic resin 20-40 parts, bio-inspired diluent 5-15 parts, modified nano silicon dioxide 5-10 parts, defoaming agent 0.5-1 part, leveling agent 1-2 parts, pigment 4-6 parts, and short-cut glass fiber 20-30 parts. The technical effect is that the bio-inspired diluent has a double-response characteristic, the shearing dilution promotes leveling during construction, the light response increases the resistance to flow hanging after construction, the adhesion and aging resistance are improved, the gradient dispersion process guarantees uniform distribution of nano particles, and the mechanical properties of the coating are strengthened.

The utility model discloses a knife holder for glass processing cutting, including bottom plate, its characterized in that: the top left side of bottom plate is fixed with L type fixed plate, and the top of bottom plate is installed with displacement component, and the top of L type fixed plate is installed with pneumatic cleaning component, and displacement component includes two groups of first screw rod that is rotatably connected in the left side of bottom plate, and the outer wall of two groups of first screw rod all is connected with two groups of first screw block, and the opposite side of two groups of first screw block is connected through connecting rod, and the top of L type fixed plate installs the drive arrangement of driving two groups of first screw rod rotation, and the right side of connecting rod is fixed with support top rod, and the bottom of support top rod is installed with knife holder, and the utility model discloses can realize the quick cooling and cleaning of the blade in the knife holder, improves the cutting efficiency.

A feeding assembly for forming and feeding glass gobs includes a bowl for containing molten glass and a plurality of outlet bodies with orifices of different diameters that can be mounted interchangeably in a fixed position below the bowl. The orifices of a mounted outlet body are aligned with corresponding plungers that are axially movable along vertical axes to form glass beads from the molten glass. A cutting device is arranged below the orifices to cut the beads and form the gobs. The assembly is configured during a production change by selecting one of the available diameters to meet a weight and / or a shape factor for the gobs to be fed, determining a target glass flow rate, checking whether the assembly with the selected diameter meets the target glass flow rate, and, if not, adjusting a height position of the orifices relative to the bowl.

The utility model discloses a cut-off tool on a light guide plate production line, which comprises a tool body for cutting off a light guide plate, one end of the tool body is provided with a blade part for cutting and a cutting plane for cutting, the cutting plane is vertical to the light guide plate, a cutting edge is formed at an included angle on the blade part, the cutting edge is an acute angle, and the cutting plane is provided with a cutting edge. The light guide plate cutting device has the advantages that when the light guide plate is cut to cut off residues outside the light guide plate, the risk that a tool nose of a tool is broken or the light guide plate is broken is reduced, particularly when a glass light guide plate with high brittleness is cut, the light guide plate is prevented from being broken, and the yield of the light guide plate is improved.

The invention relates to a miniaturized perovskite solar cell packaging structure and a packaging method. The miniaturized perovskite solar cell packaging structure is characterized by comprising a solar cell substrate, a cover plate material and a connecting electrode, the electrodes are concentrated on one side of the miniaturized perovskite solar cell, so that the dead zone area can be reduced; the substrate and the cover plate are the same in material size, so that the condition of non-uniform pressure is avoided; the glue overflow areas only exist on the four edges of the perforated cover plate material, the product mass production procedure and electrodes are not affected, each single miniaturized assembly cut from a large sample shares the same pressure, glue packaging is uniform, and glue removal is not needed; the situation that the glue or the glass is independently cut by laser is avoided; pCB standard elements such as a spring type probe, a copper column or a conductive silica gel rod are used as electrode leading-out and are matched with standard Vin and Vout of the PCB, so that the design and assembly process is simplified, and meanwhile, the conductive performance is ensured; the whole production process can be completed by a machine, and the problem of mass production can be solved.

The utility model discloses a glass cutter which belongs to the cutter technical field, and comprises a handle and a cutter head, the first end of the handle is connected with the cutter head, a finger fixing part is arranged on one side of the handle close to the first end, and a finger through hole is formed through the middle part of the finger fixing part. The finger through hole generated by the finger fixing part conforms to the holding habit of ergonomics, so that the hand muscles of the user are relaxed during operation, even if the glass is continuously cut for a long time, the tension degree of the hand muscles and the fatigue accumulation speed are reduced, the comfort degree of operation is improved, and the efficiency of long-time work is improved.

1. Name of the product in this design: Infrared Picosecond Cutting Machine. 2. Application of this design: for cutting glass, ceramics, monocrystalline silicon, etc. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses a dicing device which comprises a cutting mechanism, a positioning mechanism, a pushing mechanism and a moving mechanism, and the cutting mechanism comprises a vertically arranged cutting wheel; the positioning mechanism comprises a positioning pipe and a positioning plate, the positioning pipe is horizontally arranged on one side of the cutting wheel, a glass blank is placed in the positioning pipe, and the positioning plate is vertically arranged on the other side of the cutting wheel; the pushing mechanism is used for abutting against one end of a glass blank and pushing the glass blank to move in the length direction of the positioning pipe. The dicing device has the advantages that the dicing device is suitable for dicing rod-shaped glass blanks, when the rod-shaped glass blanks are diced, the rod-shaped glass blanks do not need to be held by hands or manually pushed to be close to the cutting wheel, compared with a traditional mode, the dicing device is safer, the probability that workers are injured is reduced, and the production efficiency is improved. And the cut glass blocks are equal in size, so that the cutting precision is improved.

The utility model relates to the technical field of polyurethane foam processing, and discloses a high-speed cutting glass fiber reinforced polyurethane foam cutting device which comprises a supporting seat, a support is fixedly connected to the right side of the supporting seat, a first air cylinder is fixedly installed on the upper surface of the top of the support, and the driving end of the first air cylinder is vertically downward and fixedly connected with a movable frame. A heating wire is fixedly installed on the lower side of the movable frame, a fixed belt frame is fixedly connected to the upper surface of the supporting seat, a movable belt frame is arranged on the upper surface of the supporting seat in a sliding mode, and a driving mechanism for controlling the movable belt frame to move horizontally is arranged in the supporting seat. And a second air cylinder is arranged, and the second air cylinder and the movable belt frame are connected through a connecting block, so that the movable belt frame can be controlled to move, the distance between the first belt conveyor and the second belt conveyor can be adjusted, and polyurethane foams with different widths can be conveniently clamped.

The utility model relates to the technical field of glass substrate cutting equipment, and discloses cutting equipment for a glass substrate, which comprises an operation table, and the top of the operation table is connected with a pressing assembly. Compared with the prior art, the device has the advantages that the driving motor enables one set of fixing rods to rotate, drives one set of driving gears to rotate and drives the other set of driving gears to rotate, so that the driving belt wheels on the two sides drive the driven belt wheels to rotate through the belt body and drive the driving plate to rotate, and the first driven plate drives the second driven plate to rotate; the glass substrate cutting device is simple in structure and convenient to use, the pressing plates on the two sides are driven to fix the two sides of glass substrates with different thicknesses, applicability is high, the glass substrates are more stable and not prone to shaking and displacement in the cutting process, the cutting effect is better, most residues and chippings generated when the glass substrates are cut fall into the collecting drawer through the through holes to be cleaned and collected, and the practicability is high. The influence on subsequent cutting of the glass substrate due to accumulation on the top of the operation table is avoided.