Door And Window Hardware Lost Wax Investment Casting

Product Introduction

A general term for various metal and non-metal fittings installed on doors and windows of buildings. It plays an auxiliary role in the opening and closing of doors and windows. The surface is generally plated or coated and has the characteristics of firmness, durability, flexibility, economy, and beauty. Door and window hardware can be divided into building door locks, handles, stays, hinges, hinges, door closers, handles, latches, window hooks, anti-theft chains, induction opening and closing door devices, etc. according to their uses.

Components include

Door and window hardware is the general term for metal components of doors and windows. mainly include:

(1) Hinge

Ordinary hinges: used for cabinet doors, windows, doors, etc. Materials are iron, copper, and stainless steel. The disadvantage of ordinary hinges is that they do not have the function of spring hinges. After the hinges are installed, various bumpers must be installed, otherwise, the wind will blow the door panels.

Pipe hinge: also called spring hinge. Mainly used for the connection of furniture door panels, it generally requires a panel thickness of 16-20 mm. The materials are galvanized iron and zinc alloy. The spring hinge is equipped with an adjusting screw, which can adjust the height and thickness of the plate up and down, left and right. One of its characteristics is that it can match the opening angle of the cabinet door according to the space. In addition to the general 90-degree angle, 127-degree, 144-degree, 165-degree, etc. have corresponding hinges to match, so that various cabinet doors have corresponding extensions.

Door hinge: Door and window hardware lost wax investment casting is divided into ordinary type and bearing type. The ordinary type has been mentioned before. The bearing type can be divided into copper and stainless steel in terms of material. From the perspective of consumption, copper-bearing hinges are mostly used because of their beautiful and bright style, moderate price, and equipped with screws. Other hinges: there are glass hinges, countertop hinges, and flap hinges. The glass hinge is used to install the frameless glass cabinet door, and the thickness of the glass is required to be no more than 5-6mm.

(2) Hinge

Distinctive hinges and hidden hinges, the obvious hinges are the ones we usually see used in most doors, without resilience. Concealed hinges are mostly used on furniture, and can be divided into hydraulic, quick-fit, frame door, and ordinary.

(3) Track: sliding door track, hanging wheel, glass pulley

(4) Plug (bright, dark)

(5) The door stopper is installed behind the door. After the door is opened, it is stabilized by the magnetism of the door stopper to prevent the wind from automatically closing

(6) Ground suction

(7) Door clamp

(8) Door closer

(9) Door mirror

The common name is the cat's eye, its function is to look out from the room through the door mirror, and you can see all the scenes outside the door with an angle of view of about 120 degrees, but you can't see anything in the room through the door mirror from outside the door. If this mirror is installed on the gate of a public house or a private apartment, it can play a certain role in preventing theft and the safety of the family. A must-have for existing homes.

Beading (copper, aluminum, PVC)

• Building door lock

A lock is installed on the door leaf and door frame of a building that needs to be opened and closed. It is generally composed of a lock body (including a deadbolt, an operating mechanism, and a braking mechanism), a lock panel, a handle, a cover plate, etc. The lock tongue can be divided into oblique tongue, square tongue, double tongue, bead tongue, and hook tongue; the lock panel can be divided into flat mouth, left tongue-and-groove mouth, right tongue-and-groove mouth, and round mouth; the handle has a spherical shape, curved handle shape and Pull ring points. Building door locks can be divided into door locks, room door locks, bathroom door locks, windproof channel door locks, and toilet door locks according to the application occasions; according to the insurance performance, they can be divided into single insurance, double insurance, and triple insurance door locks; Divided into exterior door locks, mortise door locks, and ball door locks.

① External door lock: the lock body covers the surface of the door leaf. The main products are single-tongue single-safety door locks, single-tongue double-safety door locks, single-tongue triple-safety door locks (Figure 1), double-tongue three-safety door locks, double-tongue double-head triple-safety door locks, multi-tongue double-head locks Three security door locks, etc.

② Mortise door lock: The lock body is embedded in the door leaf from the side of the door leaf. There are two types of blade structure and marble structure. The main products are sliding door mortise locks, single tongue mortise locks, single oblique tongue mortise locks, single oblique tongue button mortise locks, double tongue mortise locks (picture 2 ), double tongue push-in Core door locks, leaf handle door locks, etc.

③Spherical door lock: beautiful in appearance, easy to use, mostly used in high-grade buildings (Figure 3).

• Handle

Used to open and close metal sashes. It is generally installed in the middle of the edge of the window sash, and some are also designed as a mechanism linked with the latch. It is mostly made of brass, low-carbon steel, zinc alloy, stainless steel, and other materials, and the surface is plated with nickel, chrome, or zinc.

• Brace

Used to position open metal sashes. It is generally installed on the lower edge of the window sash, and some are also designed as a mechanism used in conjunction with the hinge. It is mostly made of brass, low-carbon steel, zinc alloy, stainless steel, and other materials, and the surface is plated with nickel, chrome, or zinc. Varieties include eye support, double arm support, rocking support, mobile support, and so on.

• Hinge

Also called a hinge. It is a connecting piece between the door and door frame, window and window frame, which can make the door and window open and close freely by rotating. The hinge is formed by connecting blades and pin shafts. The blades are made of low-carbon strip steel and can rotate freely around the pin shaft. The pin shaft is made of low carbon cold drawn steel wire or spring steel wire. Hinge varieties include ordinary hinges and spring hinges) and window hinges.

• Door closer

A device that can automatically close or fix an open door leaf in a certain position. Some have the function of hinges, and some have fire resistance. The main varieties are floor springs, door top springs, door slingshots, door stoppers, door chucks, magnetic door suction heads, etc.

① Ground spring: also known as the ground dragon. Installed on the lower part of the door and window (Figure 5). It is made of gray cast iron, carbon steel, spring steel, cast steel, etc., and then assembled.

② Door top spring: an automatic door-closing device that uses the elastic force of a clockwork spring or a coil spring to close the door leaf. A buffer oil cylinder is installed inside to reduce the closing speed.

③Door slingshot: punched from low-carbon strip steel, and equipped with a low-carbon cold-drawn steel ejector rod, which uses elastic force to close the door.

④ Door stopper: a simple positioner for braking the door leaf and avoiding the collision between the door leaf and the wall (Figure 6). Installed on the outer lower corner of the door leaf, the door leaf can be positioned at any angle.

⑤ Door chuck: A device that fixes the door leaf. Consists of a knife-edge base and a triangular steel leather collet. There are two kinds of horizontal (Figure 7) and vertical. The base is cast in gray cast iron; the chuck is made of spring steel with a blued surface.

⑥Magnetic door suction head: The function is the same as that of the door clamp, and the door leaf is fixed by the suction force of the permanent magnet, and there is no noise during use.

• Handle

Installed on the door leaf of the building to pull the door leaf open. Generally installed on the outside of the door leaf of the building, it is required to be practical, strong, and can play a decorative role. The handles are available in various shapes such as round handles, square handles, round tube handles, and double-row handles. Generally made of low carbon steel, stainless steel, aluminum alloy, and plexiglass.

• Latch

Used to latch doors and windows when they are closed. There are common types, closed type, tubular type, butterfly type bolt and concealed bolt, upper and lower continuous long bolts, window bolts, and other forms. Made of low carbon steel.

• Window hooks

Installed wooden windows to fix open sashes. Generally made of low-carbon steel wire, and the surface is galvanized.

• Anti-leech

Also known as a safety chain. It consists of two chain plates and a connecting chain. The chain plates are installed on the door leaf and the door frame respectively. The anti-theft chain can limit the door leaf to a small opening angle (generally not more than 8°), effectively preventing outsiders from intruding.

• Sensor door opener

Electronics for automatic opening and closing of doors. The main device is a microwave induction or light control induction contact. It can automatically input the induction signal of the human body or object so that the door leaf can be opened or closed automatically. Generally used with automatic doors and transmission machinery

Detection Systems

Copper Silica Sol Investment Casting