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Door Lock Replacement – What Are the Different Parts of a Door Lock? A damaged door lock could make your home an easy to target for burglars. Change your locks is a cost-effective way to beef up security without making your door inaccessible. A lot of locks come with a cardboard model that you can use to wrap around the edge of your door to ensure that it will fit properly. This will aid you in avoiding buying the wrong lock. The Cylinder The cylinder is the main element of a door's mechanical lock. It is made up of a set of spring-loaded pins that hold the door shut in the event that no key is inserted in the hole. When keys are put into the doorknob the uneven edge presses upwards on the pins inside of the cylinder, allowing them to fit to their correct positions. When the pins fit into the cylinder, they allow the bolt, also known as the latch to move forward, and then engage the door's interior. The bolt extends from the cylinder and into an opening in your door frame that is called the box. The box is designed to fit the bolt snugly so that it won't be easily pulled open. The bolt is pulled back by a clip spring when the door is closed. When you turn the handle, a spindle is engineered to rotate inside the cylinder. When it's done rotating, the slanted end of the bolt retracts into the doorframe. The bolt rests on the carved-out portion of the doorframe, and keeps the door closed until you have to open it. A faceplate is an internal metal plate that is affixed to your door on either side of the hole that is used for the deadbolt. Its function is to shield your locking mechanism from damage that could result from the repeated removal and insertion of the knob. Installing a new lock? Make sure the faceplate is in alignment to the hole on your door frame. Also, ensure that the faceplate is secured both to the plate and the latch bore. When replacing locks on doors make sure the deadbolt is seated correctly by sliding it into the opening of the strike plate. When you're finished then screw the strike plate and the central part of your new lock into the hole. Be careful not to over-tighten the screws, as this could cause damage to the latch and prevent it from securing in its groove correctly. It's a good idea test your new lock by turning the key when it's in the locked position. If you spot any issues, such as a noisy deadbolt or loose latches it's recommended to replace the old lock with a brand-new one. The Faceplate A faceplate is an oversized flat plate that is attached to the headstock of the lathe in order to support the workpiece. It has a number of screw holes through it where the screw thread enters from the back and is inserted into the wood. Faceplates can accommodate a wide variety of designs, but they have to be positioned properly, balanced and fixed that aren't simple tasks if compared to the simplicity of the chuck. A typical faceplate comes with many mounting holes, in this case three placed at 120Adeg spacing to accept the screws used to mount the workpiece of FIG. 2. These screw holes are machined by an insert that can be interchanged or directly into the faceplate's body. A portion between the faceplate is a stepped section that provides an index mark to pinpoint a specific location on the blank workpiece. The stepping area is also resistant to abrasion so that the fastener won't harm the chisel used to cut into it. The surface of the body of the faceplate is different properties from that of the surrounding area and machining into this region warns the operator of a possible contact with a fastener and gives the turner time to react. Screws used to secure a faceplate should have a small amount of free space in the screw hole. There shouldn't be a gap left behind the screw after it is tightened onto the block of glue, as this could allow the block to shift when turning. It is also recommended to choose a thicker gauge screw, as it will be more secure within the faceplate. The screw should be inserted into the middle of the screwhole in order to reduce the possibility that the screwhead could get into contact with the workpiece. The Strike Plate The strike plate is an important element of your door lock. The strike plate stops the bolt from sliding when you close the front door. The strike plate is also part of the system that helps increase the strength of the lock and stop intrusions by using force against the jamb and latch bolt. A strike plate is an thick metal plate installed in the doorjamb or the vertical part of the frame. It has a hole through which the deadbolt or latch can pass. When the cylinder rotates it shoots the bolt through the strike plate into the doorjamb while keeping it shut. There are various kinds of strike plates available according to your requirements. If you need strike plates that work to your particular lock it will be listed with the information for the product. In other cases, most strike plates are the same and will work with most standard latches and locks. Standard strike plates are equipped with ovular screws and an “C”-shaped piece that acts as washer. They are commonly used on doors with rounded corners and are available in a variety sizes to match your door. You can add extra security by using a strike plate with no lip, which is designed for deadbolts. This is a great option for areas that must be secured quickly, for instance staircases. It's also a great choice to secure items or documents within your home. Installing a strikeplate for your box will also improve the security of your doors. It adds thickness to the strike plate, and also strengthens it. This makes it more difficult to break in through the latch or deadbolt, and it's often required for commercial doors that have security locks. Spray a lock lubricant on the strike plate if it is not aligned with the latch bolt. If this does not work, you'll have to adjust the strikeplate by drilling new screwholes and widening the catch hole. Be cautious not to make many adjustments to the strike plate since repeated and extreme changes can weaken it until it's no longer effective. The Deadbolt A deadbolt is a steel bolt that binds the door to the doorjamb frame. Deadbolt locks differ from a spring-latch found in doorknobs. Instead of being able to be locked using credit cards or by using professional tools such as latch slips, it can be locked by the use of a key, thumb-turn or electronically. They offer better protection against forced entry techniques like kick-ins, and they are easy to use with very little maintenance. The bolt is inserted into a hole or socket inside the door jamb, which is then strengthened by an insulated strike plate to give additional security. Repair My Windows And Doors should be a minimum of 1 inch in length to make it more difficult to take the door off. It is also crucial to choose a quality deadbolt with an ANSI rating that shows how secure the lock has been tested. The strike plate also keeps the cylinder in place. Three holes should run across the bolt. The one in the middle connects the facepiece to the cylinder, and the two other holes are on either side of the central hole. The screws are inserted in these holes to attach the cylinder and bolt. The screws should be included with the new deadbolt. Certain locks come with decorative covers which attach to the facepieces. Consult the instructions provided by the manufacturer to ensure they are properly installed. When selecting the best lock for your house, you should consider your lifestyle and the level of security you require. Single cylinder deadbolts, which are the most popular type of lock can be found on a variety of exterior door. Keyless deadbolts are more secure however they can be difficult to operate. Smart deadbolts permit you to lock and unlock the bolt with voice commands or a mobile application. A professional locksmith can help you decide what type of lock is appropriate for your home. They will install or change the lock. Upgrade your front-door lock system to improve the security of your home. For an added layer of security, consider adding a reversible or double-cylinder deadbolt on the inside of your door, too.